diff --git a/android/App.tsx b/android/App.tsx
index cd71fbb..8b4a64b 100644
--- a/android/App.tsx
+++ b/android/App.tsx
@@ -12,7 +12,7 @@ import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import { NavigationContainer, DefaultTheme } from '@react-navigation/native';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 
-import ChatScreen from './src/screens/ChatScreen';
+import WorkspaceScreen from './src/workspace/WorkspaceScreen';
 import SettingsScreen from './src/screens/SettingsScreen';
 import rvs from './src/services/rvs';
 import { initLogger, installGlobalCrashReporter } from './src/services/logger';
@@ -166,7 +166,7 @@ const App: React.FC = () => {
         >
           <Tab.Screen
             name="Chat"
-            component={ChatScreen}
+            component={WorkspaceScreen}
             options={{
               title: 'ARIA Chat',
               headerTitle: 'ARIA Cockpit',
diff --git a/android/src/workspace/Tile.tsx b/android/src/workspace/Tile.tsx
new file mode 100644
index 0000000..8c9d0c6
--- /dev/null
+++ b/android/src/workspace/Tile.tsx
@@ -0,0 +1,61 @@
+/**
+ * Tile — leichte Thumbnail-Darstellung einer Kachel in der gezoomten "Landkarte".
+ *
+ * Zeigt NUR Icon + Titel (+ optionalen Untertitel). Die schweren, interaktiven
+ * Inhalte (ChatScreen, WebViews) liegen NICHT hier, sondern in der separaten
+ * Identity-Content-Ebene des WorkspaceCanvas — Thumbnails werden nie skaliert
+ * interaktiv. Ein Tap fokussiert die Kachel (zoomt sie voll auf).
+ */
+
+import React from 'react';
+import { StyleSheet, Text, View } from 'react-native';
+import { Gesture, GestureDetector } from 'react-native-gesture-handler';
+import { runOnJS } from 'react-native-reanimated';
+import { TileId, TileRect, TILE_META } from './layout';
+
+interface Props {
+  id: TileId;
+  /** Welt-View-lokales Rect (relativ zur Bounds-Ecke). */
+  rect: TileRect;
+  subtitle?: string;
+  onFocus: (id: TileId) => void;
+}
+
+const Tile: React.FC<Props> = ({ id, rect, subtitle, onFocus }) => {
+  const meta = TILE_META[id];
+  const tap = Gesture.Tap()
+    .maxDuration(300)
+    .onEnd((_e, success) => {
+      if (success) runOnJS(onFocus)(id);
+    });
+
+  return (
+    <GestureDetector gesture={tap}>
+      <View style={[styles.tile, { left: rect.x, top: rect.y, width: rect.w, height: rect.h }]}>
+        <Text style={styles.icon}>{meta.icon}</Text>
+        <Text style={styles.title}>{meta.title}</Text>
+        {!!subtitle && <Text style={styles.subtitle} numberOfLines={2}>{subtitle}</Text>}
+        <Text style={styles.hint}>Tippen zum Öffnen</Text>
+      </View>
+    </GestureDetector>
+  );
+};
+
+const styles = StyleSheet.create({
+  tile: {
+    position: 'absolute',
+    backgroundColor: '#12122A',
+    borderRadius: 32,
+    borderWidth: 3,
+    borderColor: '#1E1E2E',
+    alignItems: 'center',
+    justifyContent: 'center',
+    padding: 40,
+  },
+  icon: { fontSize: 220, marginBottom: 24 },
+  title: { color: '#FFFFFF', fontSize: 96, fontWeight: '800' },
+  subtitle: { color: '#9090B0', fontSize: 52, marginTop: 20, textAlign: 'center' },
+  hint: { color: '#555570', fontSize: 46, marginTop: 40 },
+});
+
+export default Tile;
diff --git a/android/src/workspace/WorkspaceCanvas.tsx b/android/src/workspace/WorkspaceCanvas.tsx
new file mode 100644
index 0000000..4ba8460
--- /dev/null
+++ b/android/src/workspace/WorkspaceCanvas.tsx
@@ -0,0 +1,226 @@
+/**
+ * WorkspaceCanvas — die zoom-/verschiebbare "Landkarte" plus Fokus-Modus.
+ *
+ * Zwei Ebenen uebereinander:
+ *  1. Welt-Ebene (skaliert/verschoben): nur leichte Thumbnail-Kacheln. Hier
+ *     wirken 2-Finger-Pinch-Zoom + 2-Finger-Pan (nur in der Uebersicht).
+ *  2. Identity-Content-Ebene (Scale 1, nie transformiert): die schweren,
+ *     interaktiven Inhalte (ChatScreen + WebViews). Alle sichtbaren Kacheln
+ *     sind hier IMMER gemountet; nur die fokussierte ist per display sichtbar.
+ *     Dadurch bleiben Touch-Koordinaten/Keyboard korrekt und nichts remountet
+ *     beim Fokuswechsel.
+ *
+ * Tap auf eine Thumbnail-Kachel → Fokus (voll aufgezoomt + interaktiv). Der
+ * "⤢ Übersicht"-Button bzw. der Hardware-Back fuehren zurueck zur Landkarte.
+ * Bei nur einer Kachel (reiner Chat) ist diese dauerhaft fokussiert und der
+ * Canvas verhaelt sich exakt wie der bisherige Vollbild-Chat.
+ */
+
+import React, { useEffect, useMemo, useState } from 'react';
+import { BackHandler, StyleSheet, Text, TouchableOpacity, useWindowDimensions, View } from 'react-native';
+import Animated, { useAnimatedStyle, useSharedValue, withTiming } from 'react-native-reanimated';
+import { Gesture, GestureDetector } from 'react-native-gesture-handler';
+
+import {
+  boundsOf, Camera, focusCamera, overviewCamera, TileId, TILE_RECTS, toLocal,
+} from './layout';
+import Tile from './Tile';
+import ChatTile from './tiles/ChatTile';
+import CodeEditorTile from './tiles/CodeEditorTile';
+import VncTile from './tiles/VncTile';
+import PreviewTile from './tiles/PreviewTile';
+
+interface Props {
+  projectId: string;
+  visibleTiles: TileId[];
+  subtitles?: Partial<Record<TileId, string>>;
+}
+
+const ANIM = { duration: 260 };
+const MIN_SCALE = 0.15;
+const MAX_SCALE = 4;
+
+const WorkspaceCanvas: React.FC<Props> = ({ projectId, visibleTiles, subtitles }) => {
+  const { width: vw, height: vh } = useWindowDimensions();
+  const [focusedTileId, setFocusedTileId] = useState<TileId | null>('chat');
+
+  const visibleKey = visibleTiles.join(',');
+  const bounds = useMemo(() => boundsOf(visibleTiles), [visibleKey]);
+  const worldW = bounds.w;
+  const worldH = bounds.h;
+  const single = visibleTiles.length <= 1;
+
+  // Kamera (shared values fuer 60fps auf dem UI-Thread).
+  const scale = useSharedValue(1);
+  const tx = useSharedValue(0);
+  const ty = useSharedValue(0);
+  const savedScale = useSharedValue(1);
+  const savedTx = useSharedValue(0);
+  const savedTy = useSharedValue(0);
+
+  // Bei nur einer Kachel: immer fokussiert. Verschwindet die fokussierte
+  // Kachel aus der Sichtbarkeit, auf Chat zurueckfallen.
+  useEffect(() => {
+    if (single) {
+      setFocusedTileId(visibleTiles[0] || 'chat');
+    } else if (focusedTileId && !visibleTiles.includes(focusedTileId)) {
+      setFocusedTileId('chat');
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [visibleKey]);
+
+  // Kamera auf das Ziel fahren (Fokus-Rect oder Uebersicht).
+  useEffect(() => {
+    const cam: Camera = focusedTileId
+      ? focusCamera(toLocal(TILE_RECTS[focusedTileId], bounds), worldW, worldH, vw, vh)
+      : overviewCamera(worldW, worldH, vw, vh);
+    scale.value = withTiming(cam.scale, ANIM);
+    tx.value = withTiming(cam.tx, ANIM);
+    ty.value = withTiming(cam.ty, ANIM);
+    savedScale.value = cam.scale;
+    savedTx.value = cam.tx;
+    savedTy.value = cam.ty;
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [focusedTileId, visibleKey, vw, vh]);
+
+  // Hardware-Back: im Fokus (und mehr als eine Kachel) → zurueck zur Uebersicht.
+  useEffect(() => {
+    const onBack = () => {
+      if (focusedTileId && !single) {
+        setFocusedTileId(null);
+        return true;
+      }
+      return false;
+    };
+    const sub = BackHandler.addEventListener('hardwareBackPress', onBack);
+    return () => sub.remove();
+  }, [focusedTileId, single]);
+
+  // Gesten nur in der Uebersicht (Fokus-Modus: Touches fallen an die Kachel).
+  const gesturesEnabled = !focusedTileId && !single;
+  const canvasGesture = useMemo(() => {
+    const pinch = Gesture.Pinch()
+      .enabled(gesturesEnabled)
+      .onUpdate((e) => {
+        'worklet';
+        scale.value = Math.max(MIN_SCALE, Math.min(MAX_SCALE, savedScale.value * e.scale));
+      })
+      .onEnd(() => {
+        'worklet';
+        savedScale.value = scale.value;
+      });
+    const pan = Gesture.Pan()
+      .enabled(gesturesEnabled)
+      .minPointers(2)
+      .onUpdate((e) => {
+        'worklet';
+        tx.value = savedTx.value + e.translationX;
+        ty.value = savedTy.value + e.translationY;
+      })
+      .onEnd(() => {
+        'worklet';
+        savedTx.value = tx.value;
+        savedTy.value = ty.value;
+      });
+    return Gesture.Simultaneous(pinch, pan);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [gesturesEnabled]);
+
+  const worldStyle = useAnimatedStyle(() => ({
+    transform: [
+      { translateX: tx.value },
+      { translateY: ty.value },
+      { scale: scale.value },
+    ],
+  }));
+
+  const renderContent = (id: TileId) => {
+    switch (id) {
+      case 'chat': return <ChatTile />;
+      case 'editor': return <CodeEditorTile projectId={projectId} />;
+      case 'vnc': return <VncTile projectId={projectId} focused={focusedTileId === 'vnc'} />;
+      case 'preview': return <PreviewTile />;
+      default: return null;
+    }
+  };
+
+  return (
+    <View style={styles.root}>
+      {/* Ebene 1 — skalierte Landkarte mit Thumbnails */}
+      <View style={StyleSheet.absoluteFill} pointerEvents={focusedTileId ? 'none' : 'auto'}>
+        <GestureDetector gesture={canvasGesture}>
+          <Animated.View style={[styles.world, { width: worldW, height: worldH }, worldStyle]}>
+            {visibleTiles.map((id) => (
+              <Tile
+                key={id}
+                id={id}
+                rect={toLocal(TILE_RECTS[id], bounds)}
+                subtitle={subtitles?.[id]}
+                onFocus={setFocusedTileId}
+              />
+            ))}
+          </Animated.View>
+        </GestureDetector>
+      </View>
+
+      {/* Ebene 2 — Identity-Content, immer gemountet, nur fokussierte sichtbar */}
+      <View style={StyleSheet.absoluteFill} pointerEvents={focusedTileId ? 'box-none' : 'none'}>
+        {visibleTiles.map((id) => (
+          <View
+            key={id}
+            style={[StyleSheet.absoluteFill, { display: focusedTileId === id ? 'flex' : 'none' }]}
+          >
+            {renderContent(id)}
+          </View>
+        ))}
+      </View>
+
+      {/* Steuerung */}
+      {focusedTileId && !single && (
+        <TouchableOpacity style={styles.overviewBtn} onPress={() => setFocusedTileId(null)} activeOpacity={0.8}>
+          <Text style={styles.overviewBtnText}>⤢ Übersicht</Text>
+        </TouchableOpacity>
+      )}
+      {!focusedTileId && (
+        <View style={styles.hintBar} pointerEvents="none">
+          <Text style={styles.hintText}>Kachel antippen zum Öffnen · 2 Finger: zoomen & schieben</Text>
+        </View>
+      )}
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  root: { flex: 1, backgroundColor: '#0D0D1A' },
+  world: { position: 'absolute', left: 0, top: 0 },
+  overviewBtn: {
+    position: 'absolute',
+    top: 10,
+    right: 12,
+    backgroundColor: 'rgba(18,18,42,0.92)',
+    borderColor: '#1E1E2E',
+    borderWidth: 1,
+    borderRadius: 18,
+    paddingHorizontal: 14,
+    paddingVertical: 8,
+  },
+  overviewBtnText: { color: '#0096FF', fontSize: 14, fontWeight: '700' },
+  hintBar: {
+    position: 'absolute',
+    bottom: 16,
+    left: 0,
+    right: 0,
+    alignItems: 'center',
+  },
+  hintText: {
+    color: '#9090B0',
+    fontSize: 12,
+    backgroundColor: 'rgba(18,18,42,0.85)',
+    paddingHorizontal: 12,
+    paddingVertical: 6,
+    borderRadius: 14,
+    overflow: 'hidden',
+  },
+});
+
+export default WorkspaceCanvas;
diff --git a/android/src/workspace/WorkspaceScreen.tsx b/android/src/workspace/WorkspaceScreen.tsx
new file mode 100644
index 0000000..e03c4b9
--- /dev/null
+++ b/android/src/workspace/WorkspaceScreen.tsx
@@ -0,0 +1,59 @@
+/**
+ * WorkspaceScreen — Screen-Wrapper fuer den Workspace-Canvas.
+ *
+ * Buendelt die Signale, die entscheiden welche Kacheln sichtbar sind:
+ *  - projectFocus: aktives Projekt + dessen kind ('code'|'chat')
+ *  - codeFile:     kam schon eine Code-Datei rein? (Live-Reveal des Editors)
+ *  - desktop:      ist ein QEMU-Desktop verfuegbar? (Live-Reveal der VNC-Kachel)
+ *
+ * Ersetzt den bisherigen Chat-Tab: die ChatScreen lebt als Kachel im Canvas,
+ * bleibt aber genau eine Instanz.
+ */
+
+import React, { useEffect, useMemo, useState } from 'react';
+import projectFocus, { FocusSnapshot } from '../services/projectFocus';
+import codeFile from '../services/codeFile';
+import desktop from '../services/desktop';
+import { TileId, visibleTilesFor } from './layout';
+import WorkspaceCanvas from './WorkspaceCanvas';
+
+const WorkspaceScreen: React.FC = () => {
+  const [focus, setFocus] = useState<FocusSnapshot>(projectFocus.get());
+  const [hasCode, setHasCode] = useState(false);
+  const [hasDesktop, setHasDesktop] = useState(false);
+
+  useEffect(() => projectFocus.subscribe(setFocus), []);
+
+  const pid = focus.focusedProjectId;
+  const kind = projectFocus.getProjectKind(pid);
+
+  // Code-Signal: hat der Spiegel schon Dateien fuer dieses Projekt?
+  useEffect(() => {
+    setHasCode(codeFile.getFiles(pid).length > 0);
+    return codeFile.subscribe((u) => {
+      if ((u.projectId || '') === (pid || '')) setHasCode(true);
+    });
+  }, [pid]);
+
+  // Desktop-Signal + einmaliger Check beim Betreten eines Code-Projekts.
+  useEffect(() => {
+    setHasDesktop(desktop.getStatus().available);
+    const unsub = desktop.subscribeStatus((s) => setHasDesktop(s.available));
+    if (kind === 'code') desktop.requestCheck(pid);
+    return unsub;
+  }, [pid, kind]);
+
+  const visibleTiles: TileId[] = useMemo(
+    () => visibleTilesFor({ kind, hasCode, hasDesktop }),
+    [kind, hasCode, hasDesktop],
+  );
+
+  const subtitles = useMemo(
+    () => ({ chat: pid ? projectFocus.getProjectName(pid) : 'Hauptchat' } as Partial<Record<TileId, string>>),
+    [pid, focus.projectNameById],
+  );
+
+  return <WorkspaceCanvas projectId={pid} visibleTiles={visibleTiles} subtitles={subtitles} />;
+};
+
+export default WorkspaceScreen;
diff --git a/android/src/workspace/layout.ts b/android/src/workspace/layout.ts
new file mode 100644
index 0000000..cf7bf06
--- /dev/null
+++ b/android/src/workspace/layout.ts
@@ -0,0 +1,95 @@
+/**
+ * layout — Kachel-Geometrie + Kamera-Mathematik fuer den Workspace-Canvas.
+ *
+ * Welt-Koordinaten = Pixel bei Scale 1. Kacheln liegen auf einem festen 2x2-
+ * Raster. Die "Welt-View" (Animated.View) ist exakt die Bounding-Box der gerade
+ * sichtbaren Kacheln; Kinder werden relativ zu deren Ursprung positioniert.
+ *
+ * RN 0.73 kennt noch kein transformOrigin — Scale dreht um die View-MITTE.
+ * Alle Kamera-Formeln rechnen deshalb mit Center-Origin:
+ *   screen = center + scale*(p - center) + translate
+ * wobei center = (worldW/2, worldH/2) (die Welt-View sitzt bei screen 0,0).
+ */
+
+export type TileId = 'chat' | 'editor' | 'vnc' | 'preview';
+
+export interface TileRect { x: number; y: number; w: number; h: number; }
+
+export interface TileDef { id: TileId; title: string; icon: string; }
+
+// Feste Kachelgroesse im Welt-Raster (Pixel bei Scale 1).
+const TILE_W = 1100;
+const TILE_H = 1500;
+const GAP = 140;
+
+/** Absolute Welt-Rects pro Kachel (2x2-Raster). */
+export const TILE_RECTS: Record<TileId, TileRect> = {
+  chat: { x: 0, y: 0, w: TILE_W, h: TILE_H },
+  editor: { x: TILE_W + GAP, y: 0, w: TILE_W, h: TILE_H },
+  vnc: { x: 0, y: TILE_H + GAP, w: TILE_W, h: TILE_H },
+  preview: { x: TILE_W + GAP, y: TILE_H + GAP, w: TILE_W, h: TILE_H },
+};
+
+export const TILE_META: Record<TileId, TileDef> = {
+  chat: { id: 'chat', title: 'Chat', icon: '💬' },
+  editor: { id: 'editor', title: 'Editor', icon: '📝' },
+  vnc: { id: 'vnc', title: 'Desktop', icon: '🖥️' },
+  preview: { id: 'preview', title: 'Vorschau', icon: '🖼️' },
+};
+
+// Reihenfolge fuer stabiles Rendering.
+export const TILE_ORDER: TileId[] = ['chat', 'editor', 'vnc', 'preview'];
+
+export interface VisibilitySignals {
+  kind: 'code' | 'chat';
+  hasCode: boolean; // schon ein code_file empfangen
+  hasDesktop: boolean; // Desktop verfuegbar gemeldet
+}
+
+/** Welche Kacheln sind fuer den aktuellen Kontext sichtbar?
+ *  Chat ist immer da; Code-Projekt (explizit ODER durch ein Live-Signal)
+ *  blendet Editor/Desktop/Vorschau ein. */
+export function visibleTilesFor(sig: VisibilitySignals): TileId[] {
+  const isCode = sig.kind === 'code' || sig.hasCode || sig.hasDesktop;
+  if (!isCode) return ['chat'];
+  return ['chat', 'editor', 'vnc', 'preview'];
+}
+
+/** Bounding-Box mehrerer Kacheln. */
+export function boundsOf(ids: TileId[]): TileRect {
+  if (ids.length === 0) return { x: 0, y: 0, w: TILE_W, h: TILE_H };
+  let minX = Infinity, minY = Infinity, maxX = -Infinity, maxY = -Infinity;
+  for (const id of ids) {
+    const r = TILE_RECTS[id];
+    minX = Math.min(minX, r.x);
+    minY = Math.min(minY, r.y);
+    maxX = Math.max(maxX, r.x + r.w);
+    maxY = Math.max(maxY, r.y + r.h);
+  }
+  return { x: minX, y: minY, w: maxX - minX, h: maxY - minY };
+}
+
+/** Rect in Welt-View-lokale Koordinaten (relativ zur Bounds-Ecke) umrechnen. */
+export function toLocal(rect: TileRect, bounds: TileRect): TileRect {
+  return { x: rect.x - bounds.x, y: rect.y - bounds.y, w: rect.w, h: rect.h };
+}
+
+export interface Camera { scale: number; tx: number; ty: number; }
+
+/** Kamera, die ein (lokales) Rect bildschirmfuellend zeigt (Fokus-Modus). */
+export function focusCamera(localRect: TileRect, worldW: number, worldH: number, vw: number, vh: number): Camera {
+  const s = Math.min(vw / localRect.w, vh / localRect.h);
+  const pcx = localRect.x + localRect.w / 2;
+  const pcy = localRect.y + localRect.h / 2;
+  const tx = vw / 2 - worldW / 2 - s * (pcx - worldW / 2);
+  const ty = vh / 2 - worldH / 2 - s * (pcy - worldH / 2);
+  return { scale: s, tx, ty };
+}
+
+/** Kamera, die die gesamte Welt zentriert einpasst (Uebersicht). */
+export function overviewCamera(worldW: number, worldH: number, vw: number, vh: number, pad = 0.86): Camera {
+  const s = Math.min(vw / worldW, vh / worldH) * pad;
+  const tx = vw / 2 - worldW / 2;
+  const ty = vh / 2 - worldH / 2;
+  return { scale: s, tx, ty };
+}
diff --git a/android/src/workspace/tiles/ChatTile.tsx b/android/src/workspace/tiles/ChatTile.tsx
new file mode 100644
index 0000000..7990eb9
--- /dev/null
+++ b/android/src/workspace/tiles/ChatTile.tsx
@@ -0,0 +1,15 @@
+/**
+ * ChatTile — hostet die bestehende ChatScreen unveraendert als Workspace-Kachel.
+ *
+ * ChatScreen bleibt genau EINE Instanz (der Workspace-Tab ersetzt den alten
+ * Chat-Tab) und wird nie beim Fokuswechsel remountet — sie liegt in der
+ * Identity-Content-Ebene und wird nur per display ein-/ausgeblendet. So
+ * behaelt sie RVS-Abos, Audio, Queue-State und Keyboard-Verhalten wie bisher.
+ */
+
+import React from 'react';
+import ChatScreen from '../../screens/ChatScreen';
+
+const ChatTile: React.FC = () => <ChatScreen />;
+
+export default React.memo(ChatTile);
diff --git a/android/src/workspace/tiles/CodeEditorTile.tsx b/android/src/workspace/tiles/CodeEditorTile.tsx
new file mode 100644
index 0000000..92203ab
--- /dev/null
+++ b/android/src/workspace/tiles/CodeEditorTile.tsx
@@ -0,0 +1,30 @@
+/**
+ * CodeEditorTile — Live-Code-Editor (CodeMirror in einer WebView).
+ * Platzhalter fuer Commit 4; die CodeMirror-Bridge folgt in Commit 5.
+ */
+
+import React from 'react';
+import { StyleSheet, Text, View } from 'react-native';
+
+interface Props {
+  projectId: string;
+}
+
+const CodeEditorTile: React.FC<Props> = () => {
+  return (
+    <View style={styles.container}>
+      <Text style={styles.icon}>📝</Text>
+      <Text style={styles.text}>Code-Editor</Text>
+      <Text style={styles.sub}>Wird geladen …</Text>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: { flex: 1, backgroundColor: '#0D0D1A', alignItems: 'center', justifyContent: 'center' },
+  icon: { fontSize: 64, marginBottom: 16 },
+  text: { color: '#FFFFFF', fontSize: 18, fontWeight: '700' },
+  sub: { color: '#9090B0', fontSize: 14, marginTop: 8 },
+});
+
+export default CodeEditorTile;
diff --git a/android/src/workspace/tiles/PreviewTile.tsx b/android/src/workspace/tiles/PreviewTile.tsx
new file mode 100644
index 0000000..58cfa65
--- /dev/null
+++ b/android/src/workspace/tiles/PreviewTile.tsx
@@ -0,0 +1,40 @@
+/**
+ * PreviewTile — zeigt den letzten Screenshot/Vorschau-Frame eines Code-Projekts
+ * (z. B. aria-vm screenshot). Fuellt sich, sobald ARIA ein Bild in den
+ * Vorschau-Kanal legt; bis dahin ein ruhiger Platzhalter.
+ *
+ * (Screenshot-Anbindung folgt mit dem QEMU-Track; hier zunaechst die Kachel.)
+ */
+
+import React from 'react';
+import { Image, StyleSheet, Text, View } from 'react-native';
+
+interface Props {
+  imageUri?: string;
+}
+
+const PreviewTile: React.FC<Props> = ({ imageUri }) => {
+  return (
+    <View style={styles.container}>
+      {imageUri ? (
+        <Image source={{ uri: imageUri }} style={styles.image} resizeMode="contain" />
+      ) : (
+        <>
+          <Text style={styles.icon}>🖼️</Text>
+          <Text style={styles.text}>Noch keine Vorschau</Text>
+          <Text style={styles.sub}>Screenshots der VM erscheinen hier.</Text>
+        </>
+      )}
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: { flex: 1, backgroundColor: '#0D0D1A', alignItems: 'center', justifyContent: 'center' },
+  image: { width: '100%', height: '100%' },
+  icon: { fontSize: 64, marginBottom: 16 },
+  text: { color: '#FFFFFF', fontSize: 18, fontWeight: '700' },
+  sub: { color: '#9090B0', fontSize: 14, marginTop: 8 },
+});
+
+export default PreviewTile;
diff --git a/android/src/workspace/tiles/VncTile.tsx b/android/src/workspace/tiles/VncTile.tsx
new file mode 100644
index 0000000..b588e45
--- /dev/null
+++ b/android/src/workspace/tiles/VncTile.tsx
@@ -0,0 +1,31 @@
+/**
+ * VncTile — Live-Desktop der QEMU-VM (noVNC in einer WebView, RFB durch RVS).
+ * Platzhalter fuer Commit 4; der noVNC-Tunnel folgt in Commit 7.
+ */
+
+import React from 'react';
+import { StyleSheet, Text, View } from 'react-native';
+
+interface Props {
+  projectId: string;
+  focused: boolean;
+}
+
+const VncTile: React.FC<Props> = () => {
+  return (
+    <View style={styles.container}>
+      <Text style={styles.icon}>🖥️</Text>
+      <Text style={styles.text}>Desktop</Text>
+      <Text style={styles.sub}>Kein Desktop verbunden</Text>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: { flex: 1, backgroundColor: '#000000', alignItems: 'center', justifyContent: 'center' },
+  icon: { fontSize: 64, marginBottom: 16 },
+  text: { color: '#FFFFFF', fontSize: 18, fontWeight: '700' },
+  sub: { color: '#9090B0', fontSize: 14, marginTop: 8 },
+});
+
+export default VncTile;