better manifest descriptions

Author: sebastianbenz

functional-samples/ai.gemini-on-device-alt-texter/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "Alt Texter",
   "version": "1.0",
-  "description": "Generates alt text for images using the Prompt API.",
+  "description": "Generates alt text for images using the Gemini Nano Prompt API.",
   "permissions": ["contextMenus", "clipboardWrite"],
   "host_permissions": ["<all_urls>"],
   "minimum_chrome_version": "138",

functional-samples/ai.gemini-on-device-audio-scribe/manifest.json

@@ -1,6 +1,6 @@
 {
   "name": "Audio scribe",
-  "description": "Listens and transcribe it",
+  "description": "Use Gemini Nano to transcribe audio messages in chat conversations.",
   "version": "0.2",
   "icons": {
     "128": "assets/icon128.png"

functional-samples/ai.gemini-on-device-calendar-mate/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "Calendar Mate",
   "version": "1.0",
-  "description": "Create Google Calendar events from selected text.",
+  "description": "Create Google Calendar events from selected text using Gemini Nano.",
   "permissions": ["contextMenus"],
   "minimum_chrome_version": "138",
   "background": {

functional-samples/ai.gemini-on-device/manifest.json

@@ -2,7 +2,7 @@
   "name": "Chrome Prompt AI Demo",
   "version": "0.2",
   "manifest_version": 3,
-  "description": "Try Chrome's built-in prompt API.",
+  "description": "Try Chrome's built-in prompt API built with Gemini Nano.",
   "background": {
     "service_worker": "background.js"
   },