Jre4Android-Java Runtime& J2ME

Jre4Android is a Java Runtime Environment (JRE) for Android that lets you run Java programs, old-school J2ME apps, and even desktop Swing GUI software — all directly on your phone. It also supports running JAR files in command-line (console) mode, making it useful for both developers and retro gamers.

✨ Key Features:

Run JAR files like java -jar xxx.jar

Run .class files directly (java Hello)

Run JARs in command-line (console) mode

Support for Java Swing GUI applications

Full support for J2ME (Java ME) JAR files & games

Run Spring Boot JARs on Android

Based on Java 17 (Pro version supports Java 21)

🎮 J2ME Support

Play your favorite classic Java ME mobile games and apps on Android.

Jre4Android also works as a J2ME emulator and runner, allowing you to launch MIDlet-based apps and enjoy retro mobile games seamlessly.

🖥 Swing GUI Support

Run desktop-style Swing applications with full graphical interface.

💻 Console Mode

Use Jre4Android just like a terminal to execute Java JARs and tools with command-line arguments.

👨‍💻 For Developers & Learners

Ideal for testing Java projects, running command-line tools, or learning Java programming on the go.

🔗 Pro Version (Java 21 Support)

For advanced users, check out Jre4Android Pro:

https://play.google.com/store/apps/details?id=com.coobbi.jre.pro

💬 Community Support

Questions or feedback? Join our community:

https://github.com/coobbi/Jre4android/discussions