JavaGear ME is a highly optimized Sega Master System and Game Gear emulator for Java enabled mobile devices. It is based on the original JavaGear, but significant portions are completely rewritten. Compatibility is also higher.

Changes:

New Features:
J2SE: Proper Application Interface
J2SE: Added Windows EXE launcher for ease of use
J2ME: Experimental speed increase, by using specially compiled version of proguard. (~10% faster on my Sony Ericsson)
Reworked documentation

http://www.javagear.co.uk/index.php?p=downloads.php

JJIL is a Java image processing library. It includes an image processing architecture and over 60 routines for various image processing tasks.

JJIL is particularly targeted towards mobile applications. It includes interfaces so images can be converted to and from native formats for J2ME, Android, and J2SE.

JJIL includes some sample applications for face detection and EAN-13 (including UPC) barcode reading. The barcode reader requires high resolution images (currently beyond a typical cameraphone, but perhaps not Android) but the face detection code works well with any cameraphone. It can isolate any reasonable frontal view of a face in a few seconds.

Release notes:

Update, 7-18-08: I build and uploaded a new ReadBarJ JAR file. This fixes a bug that was making the reader fail when the barcode image width was an exact multiple of the number of elementary bars. Probably didn’t affect the J2ME reader much, but still… Code fix was due to hansomli and has been checked into source tree.

http://code.google.com/p/jjil/

The goal of the game is to combine word from letters. Once word is constructed, it disappears from the screen. Game is finished when center of the screen (where new letters appears) is occupied.

Hunt a mammoth. Coordinate hunters of your your tribe and drive mammoth into the pit (in the center of the screen). When mammoth detects a hunter, it tries to escape (in the direction with least number of people).

Joerg Jahnke has released an updated version of JMEBoy. JMEBoy is a Java-based Gameboy and Gameboy Color emulator for mobile devices. If you want to play Gameboy games on your mobile phone you should try this emulator.

Release notes:

The binaries of the final releases for JMEBoy 1.1.1 and JSwingBoy 1.1.1 have been added for download. These releases are built from the code of SVN revision 122.

These releases fix lots of bugs and are again improving the compatibility with existing Gameboy games. For more information please take a look at the change log.

Thanks to http://www.aep-emu.de for the news.

http://sourceforge.net/projects/javagb/

JJIL is a Java image processing library. It includes an image processing architecture and over 60 routines for various image processing tasks.

JJIL is particularly targeted towards mobile applications. It includes interfaces so images can be converted to and from native formats for J2ME, Android, and J2SE.

JJIL includes some sample applications for face detection and EAN-13 (including UPC) barcode reading. The barcode reader requires high resolution images (currently beyond a typical cameraphone, but perhaps not Android) but the face detection code works well with any cameraphone. It can isolate any reasonable frontal view of a face in a few seconds.

http://code.google.com/p/jjil/

JMEBoy is a Java-based Gameboy and Gameboy Color emulator for mobile devices. If you want to play Gameboy games on your mobile phone you should try this emulator.

Joerg Jahnke has released an updated pack but read more on your own:

I just added a JMEBoy 1.1 version containing some pre-bundled games. This might be interesting for those of you who don’t have a mobile device supporting JSR-75 and who don’t want to modify the .jar file and add games themselves.

The following games have been downloaded from pdroms.de and are bundled with the .jar file:
– CrazyZone.cgb
– Drymouth.gbc
– EggRacer.cgb
– GBamaTron.gb
– Huelsi.cgb
– IronHike.cgb
– JetPakDX.cgb
– Jumpik.gbc
– LittleFantasy.cgb
– PuzzleX.gb
– Q-Bert.cgb

http://sourceforge.net/forum/forum.php?forum_id=840932

JavaGear ME is a highly optimized Sega Master System and Game Gear emulator for Java enabled mobile devices. It is based on the original JavaGear, but significant portions are completely rewritten. Compatibility is also higher.

Changes:

New Features:
J2SE: Sound Emulation (SN76489 Chip).
Sampled Speech is supported unlike the original version of JavaGear.
I did try to support sound on the mobile version, but it sounded terrible.
J2SE: Reimplemented better throttling code
Sped up screen scaling in Game Gear mode
Sped up Z80 Emulation

Bug Fixes:
J2ME: Fixed issue where states wouldn’t save depending on filename of game
Romtool: MIDLET-1 tag in JAD file was not updated correctly

http://www.javagear.co.uk/index.php

Java GB is a Java-based Gameboy and Gameboy Color emulator for mobile devices. If you want to play Gameboy games on your mobile phone you should try this emulator.

Release notes:

These releases add support suspend and resume for the emulator, so that you can save the state of the emulator at any time and resume at the same point later. Additionally a lot of bugs have been fixed, improving compatibility with existing Gameboy ROMs.

Thanks to http://www.aep-emu.de for the news.

http://sourceforge.net/projects/javagb/

Java GB is a Java-based Gameboy and Gameboy Color emulator for mobile devices. If you want to play Gameboy games on your mobile phone you should try this emulator.

Release notes:

These releases significantly reduce the memory requirements of the emulator. Additionally some minor bugs are also fixed.

http://sourceforge.net/projects/javagb/