Jre4Android Pro: Java Emulator

Jre4Android Pro is the premium Java runtime app for Android, designed for users who need better compatibility, custom arguments, and an ad-free experience.

Upgrade to Pro to run more Java apps directly on your Android device with Java 25 Runtime, Swing GUI support, J2ME support, and command-line JAR execution.

Pro Version Features

No Ads
Enjoy a clean and distraction-free Java runtime experience.

Custom Args Support
Manually enter command-line arguments when running Java apps and JAR files.

Java 25 Runtime
Use a modern Java runtime environment on Android with improved compatibility for supported Java programs.

Key Features

Run JAR Files
Open and run Java JAR files on Android, similar to using java -jar on a desktop system.

Run CLASS Files
Run compiled .class files directly, such as simple Java programs and examples.

Console Mode
Run Java command-line tools and view output in a terminal-style console.

Custom Arguments
Enter args parameters for Java programs that require command-line input.

Swing GUI Support
Launch many desktop-style Java Swing applications with graphical interface support.

J2ME Support
Run classic Java ME / J2ME apps and games on Android. Jre4Android Pro can work as a J2ME emulator for supported MIDlet-based apps.

Java Runtime on Android
Use a Java runtime environment on your Android device for learning, testing, and running Java tools.

Developer Friendly
Useful for testing Java projects, running command-line tools, learning Java programming, and experimenting with Java on Android.

Useful For

• Running JAR files on Android
• Running CLASS files on Android
• Running Java command-line tools
• Running Java Swing GUI apps
• Running J2ME apps and games
• Testing Java projects on Android
• Learning Java programming on mobile
• Using a Java runtime environment on Android

Community Support

Questions or feedback? Join our community:
https://github.com/coobbi/Jre4android/discussions

Important Notice

Compatibility depends on the Java program, required libraries, Android device, and runtime version. Some desktop Java applications may not work perfectly on Android.

Open Source Notice

This application includes functionality based on the open-source project J2ME-Loader, licensed under the Apache License 2.0.