idea×app

Handheld app prototypes

Prototypes designed for a handheld gaming device. Try them in a realistic device frame, then remix or build your own.

Latest Popular Trending
Any device Phone Tablet Laptop Desktop
Browse as prompts

No prototypes match yet. Be the first — describe one on the home page.

Browse by category

Productivity0 Health & Fitness1 Finance1 Education1 Social0 Games & Fun4 Tools & Utilities0 Business0 Shopping & Food0 Travel0 Creative1 Home & Lifestyle1 Kids & Family0 AI Assistants0 Other0

Build your own in seconds

Turn my idea into an app

Your Gemini API key

Generation runs in your browser with your own free Google Gemini key. The key is saved only on this device (browser storage) and is sent only to Google — never to this site.

  1. Open Google AI Studio → API keys and sign in with a Google account.
  2. Click Create API key and copy it.
  3. Paste it below and press Save.