diff --git a/apps/android/app/src/main/assets/tool-display.json b/apps/android/app/src/main/assets/tool-display.json
new file mode 100644
index 000000000..9c0e57fc6
--- /dev/null
+++ b/apps/android/app/src/main/assets/tool-display.json
@@ -0,0 +1,197 @@
+{
+  "version": 1,
+  "fallback": {
+    "emoji": "🧩",
+    "detailKeys": [
+      "command",
+      "path",
+      "url",
+      "targetUrl",
+      "targetId",
+      "ref",
+      "element",
+      "node",
+      "nodeId",
+      "id",
+      "requestId",
+      "to",
+      "channelId",
+      "guildId",
+      "userId",
+      "name",
+      "query",
+      "pattern",
+      "messageId"
+    ]
+  },
+  "tools": {
+    "bash": {
+      "emoji": "🛠️",
+      "title": "Bash",
+      "detailKeys": ["command"]
+    },
+    "process": {
+      "emoji": "🧰",
+      "title": "Process",
+      "detailKeys": ["sessionId"]
+    },
+    "read": {
+      "emoji": "📖",
+      "title": "Read",
+      "detailKeys": ["path"]
+    },
+    "write": {
+      "emoji": "✍️",
+      "title": "Write",
+      "detailKeys": ["path"]
+    },
+    "edit": {
+      "emoji": "📝",
+      "title": "Edit",
+      "detailKeys": ["path"]
+    },
+    "attach": {
+      "emoji": "📎",
+      "title": "Attach",
+      "detailKeys": ["path", "url", "fileName"]
+    },
+    "browser": {
+      "emoji": "🌐",
+      "title": "Browser",
+      "actions": {
+        "status": { "label": "status" },
+        "start": { "label": "start" },
+        "stop": { "label": "stop" },
+        "tabs": { "label": "tabs" },
+        "open": { "label": "open", "detailKeys": ["targetUrl"] },
+        "focus": { "label": "focus", "detailKeys": ["targetId"] },
+        "close": { "label": "close", "detailKeys": ["targetId"] },
+        "snapshot": {
+          "label": "snapshot",
+          "detailKeys": ["targetUrl", "targetId", "ref", "element", "format"]
+        },
+        "screenshot": {
+          "label": "screenshot",
+          "detailKeys": ["targetUrl", "targetId", "ref", "element"]
+        },
+        "navigate": {
+          "label": "navigate",
+          "detailKeys": ["targetUrl", "targetId"]
+        },
+        "console": { "label": "console", "detailKeys": ["level", "targetId"] },
+        "pdf": { "label": "pdf", "detailKeys": ["targetId"] },
+        "upload": {
+          "label": "upload",
+          "detailKeys": ["paths", "ref", "inputRef", "element", "targetId"]
+        },
+        "dialog": {
+          "label": "dialog",
+          "detailKeys": ["accept", "promptText", "targetId"]
+        },
+        "act": {
+          "label": "act",
+          "detailKeys": ["request.kind", "request.ref", "request.selector", "request.text", "request.value"]
+        }
+      }
+    },
+    "canvas": {
+      "emoji": "🖼️",
+      "title": "Canvas",
+      "actions": {
+        "present": { "label": "present", "detailKeys": ["target", "node", "nodeId"] },
+        "hide": { "label": "hide", "detailKeys": ["node", "nodeId"] },
+        "navigate": { "label": "navigate", "detailKeys": ["url", "node", "nodeId"] },
+        "eval": { "label": "eval", "detailKeys": ["javaScript", "node", "nodeId"] },
+        "snapshot": { "label": "snapshot", "detailKeys": ["format", "node", "nodeId"] },
+        "a2ui_push": { "label": "A2UI push", "detailKeys": ["jsonlPath", "node", "nodeId"] },
+        "a2ui_reset": { "label": "A2UI reset", "detailKeys": ["node", "nodeId"] }
+      }
+    },
+    "nodes": {
+      "emoji": "📱",
+      "title": "Nodes",
+      "actions": {
+        "status": { "label": "status" },
+        "describe": { "label": "describe", "detailKeys": ["node", "nodeId"] },
+        "pending": { "label": "pending" },
+        "approve": { "label": "approve", "detailKeys": ["requestId"] },
+        "reject": { "label": "reject", "detailKeys": ["requestId"] },
+        "notify": { "label": "notify", "detailKeys": ["node", "nodeId", "title", "body"] },
+        "camera_snap": { "label": "camera snap", "detailKeys": ["node", "nodeId", "facing", "deviceId"] },
+        "camera_list": { "label": "camera list", "detailKeys": ["node", "nodeId"] },
+        "camera_clip": { "label": "camera clip", "detailKeys": ["node", "nodeId", "facing", "duration", "durationMs"] },
+        "screen_record": {
+          "label": "screen record",
+          "detailKeys": ["node", "nodeId", "duration", "durationMs", "fps", "screenIndex"]
+        }
+      }
+    },
+    "cron": {
+      "emoji": "⏰",
+      "title": "Cron",
+      "actions": {
+        "status": { "label": "status" },
+        "list": { "label": "list" },
+        "add": {
+          "label": "add",
+          "detailKeys": ["job.name", "job.id", "job.schedule", "job.cron"]
+        },
+        "update": { "label": "update", "detailKeys": ["id"] },
+        "remove": { "label": "remove", "detailKeys": ["id"] },
+        "run": { "label": "run", "detailKeys": ["id"] },
+        "runs": { "label": "runs", "detailKeys": ["id"] },
+        "wake": { "label": "wake", "detailKeys": ["text", "mode"] }
+      }
+    },
+    "gateway": {
+      "emoji": "🔌",
+      "title": "Gateway",
+      "actions": {
+        "restart": { "label": "restart", "detailKeys": ["reason", "delayMs"] }
+      }
+    },
+    "whatsapp_login": {
+      "emoji": "🟢",
+      "title": "WhatsApp Login",
+      "actions": {
+        "start": { "label": "start" },
+        "wait": { "label": "wait" }
+      }
+    },
+    "discord": {
+      "emoji": "💬",
+      "title": "Discord",
+      "actions": {
+        "react": { "label": "react", "detailKeys": ["channelId", "messageId", "emoji"] },
+        "reactions": { "label": "reactions", "detailKeys": ["channelId", "messageId"] },
+        "sticker": { "label": "sticker", "detailKeys": ["to", "stickerIds"] },
+        "poll": { "label": "poll", "detailKeys": ["question", "to"] },
+        "permissions": { "label": "permissions", "detailKeys": ["channelId"] },
+        "readMessages": { "label": "read messages", "detailKeys": ["channelId", "limit"] },
+        "sendMessage": { "label": "send", "detailKeys": ["to", "content"] },
+        "editMessage": { "label": "edit", "detailKeys": ["channelId", "messageId"] },
+        "deleteMessage": { "label": "delete", "detailKeys": ["channelId", "messageId"] },
+        "threadCreate": { "label": "thread create", "detailKeys": ["channelId", "name"] },
+        "threadList": { "label": "thread list", "detailKeys": ["guildId", "channelId"] },
+        "threadReply": { "label": "thread reply", "detailKeys": ["channelId", "content"] },
+        "pinMessage": { "label": "pin", "detailKeys": ["channelId", "messageId"] },
+        "unpinMessage": { "label": "unpin", "detailKeys": ["channelId", "messageId"] },
+        "listPins": { "label": "list pins", "detailKeys": ["channelId"] },
+        "searchMessages": { "label": "search", "detailKeys": ["guildId", "content"] },
+        "memberInfo": { "label": "member", "detailKeys": ["guildId", "userId"] },
+        "roleInfo": { "label": "roles", "detailKeys": ["guildId"] },
+        "emojiList": { "label": "emoji list", "detailKeys": ["guildId"] },
+        "roleAdd": { "label": "role add", "detailKeys": ["guildId", "userId", "roleId"] },
+        "roleRemove": { "label": "role remove", "detailKeys": ["guildId", "userId", "roleId"] },
+        "channelInfo": { "label": "channel", "detailKeys": ["channelId"] },
+        "channelList": { "label": "channels", "detailKeys": ["guildId"] },
+        "voiceStatus": { "label": "voice", "detailKeys": ["guildId", "userId"] },
+        "eventList": { "label": "events", "detailKeys": ["guildId"] },
+        "eventCreate": { "label": "event create", "detailKeys": ["guildId", "name"] },
+        "timeout": { "label": "timeout", "detailKeys": ["guildId", "userId"] },
+        "kick": { "label": "kick", "detailKeys": ["guildId", "userId"] },
+        "ban": { "label": "ban", "detailKeys": ["guildId", "userId"] }
+      }
+    }
+  }
+}