J2ME Runner - Multi Windows

J2ME Runner is designed to run user-provided J2ME files with flexible multi-window display modes. It is built for users who want to run, test, compare, or manage multiple independent J2ME sessions on the same screen.

Key features:

• Run J2ME files provided by the user

• Multiple display modes:
- Single portrait screen
- Single landscape screen
- Dual portrait screens
- Dual landscape screens
- Three-screen mode with two portrait slots and one landscape slot at the bottom
- Four-screen 2x2 portrait grid
- Six, Seven, Eight, and Nine-screen modes

• Slot-based resolution support:
- 240x320 for portrait slots
- 320x240 for landscape slots

• Independent parallel sessions:
- Run different files in different slots
- Run the same file in multiple slots
- Each session is handled separately to reduce interference between windows

• Advanced control options:
- Adjust virtual button positions and sizes
- Hide individual virtual keys or hide all virtual keys
- Use the device keyboard for text input when supported
- Enable synchronized control to send the same input to multiple active slots
- Quickly open the same file across multiple empty slots

• Background and performance features:
- Keep active sessions running more reliably when the screen is off or locked
- Smart FPS limiting to help reduce battery usage
- Focused-slot audio playback for multi-window use

• Built for multitasking:
- Switch between active windows
- Manage each session independently
- Useful for testing, comparison, and running multiple sessions at the same time

Important notice:

J2ME Runner does not include any games, applications, content, data, or installable files. Users must provide their own legally obtained files.

This app does not host, provide, sell, distribute, share, or guide users to download any copyrighted content. Users are solely responsible for ensuring that any files imported into the app are legal and that they have the right to use them.

J2ME Runner is a local file runner and session management tool for user-provided files. It is not affiliated with, endorsed by, sponsored by, or associated with any third-party content owner, publisher, developer, platform, or brand.

Compatibility may vary depending on each file, how it was built, the features it uses, and the device configuration. Some files may not run correctly, display correctly, or support all available features.

Recent changes:
👉 Added emulation mode
👉 Bug fixes and performance improvements