App Intel
512

Jar Runner

LiveCoobbi8 apps · 122.2K installsToolsFree · contains adsIn-app purchases: $4.99 per itemcom.coobbi.jre

Run JAR files, Java apps, and J2ME games on Android.

Alert me★ WatchOpen in Play ↗
Total installs
50,356
exact · Play shows 50,000+
Installs / day
+69
since last crawl
Rating
2.9★
128 ratings · 13 reviews
Released
24 May 2023
3.4y ago
Last update
4 Oct 2026
v2.0.5 · 9d ago
Countries
—
not checked yet

Install history

exact counter from Google Play
50.3K62.7K75.1K87.6K100K11 Oct12 Oct13 Oct
50.3K62.7K75.1K87.6K100K11 Oct12 Oct13 Oct

Installs per day · last 90 days

025507510012 Oct13 Oct13 Oct

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • Shares data with third parties Location and Device or other IDs
  • Collects data Location and Device or other IDs
  • Data is encrypted in transit
  • No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

16 in 6 groups
8 Sensitive3 Notable5 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
  • Use your camera to take photos and record videos
  • Record sound using your phone's microphone
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
CameraSensitive1

Access to your camera to take photos and record video

  • Use your camera to take photos and record videostake pictures and videos · CAMERA
MicrophoneSensitive1

Access to your phone's microphone to record sound

  • Record sound using your phone's microphonerecord audio · RECORD_AUDIO
OtherNotable8

Access to miscellaneous device features that don't fit other categories

  • See Bluetooth settings and connect to paired devices like headphones, speakers or watchespair with Bluetooth devices · BLUETOOTH
  • Turn Bluetooth on or off and find and pair with nearby Bluetooth devicesaccess Bluetooth settings · BLUETOOTH_ADMIN
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Add shortcuts to your home screen without asking youinstall shortcuts · com.android.launcher.permission.INSTALL_SHORTCUT
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Screenshot 1 Download
Screenshot 2 Download
Screenshot 3 Download
Screenshot 4 Download
Screenshot 5 Download
Screenshot 6 Download
Full description
Jar Runner lets you run compatible JAR files, CLASS files, Java command-line programs, Swing GUI applications, and J2ME apps directly on your Android device. Jar Runner was previously known as Jre4Android. Use your phone as a portable environment for running Java applications, JAR files, and classic J2ME software. JAR Runner is useful for developers, students, retro mobile software users, and anyone who needs to run compatible Java programs on Android. Key Features Run JAR Files Open and run compatible Java JAR files on Android, similar to using the java -jar command on a desktop system. Run CLASS Files Run compiled .class files directly, including simple Java programs and examples. Console Mode Run compatible command-line applications and view their output in a terminal-style console. Swing GUI Support Launch many compatible Java Swing applications with graphical user interface support. J2ME Support Run supported Java ME / J2ME applications and games. JAR Runner includes support for compatible MIDlet-based software. Java Runtime Use a local runtime environment for learning, testing, and running compatible Java applications and tools. Developer Friendly Useful for testing Java programs, running small tools, learning Java programming, and experimenting with JAR and CLASS files. Community Support Questions or feedback? Join our community: https://github.com/coobbi/Jre4android/discussions Important Notice Compatibility depends on the application, required libraries, device capabilities, and runtime version. Some desktop Java applications may not work correctly, especially applications that depend on unsupported native libraries or desktop-specific features. Open Source Notice This application includes functionality based on the open-source J2ME-Loader project, licensed under the Apache License 2.0. Jar Runner is an independent third-party application and is not affiliated with or endorsed by Oracle or Google. Java is a registered trademark of Oracle and/or its affiliates. Android is a trademark of Google LLC.

What's new

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