Marat Fayzullin has released a new version of the Colecovision emulator for Mobile Phones.

A few key mappings have been added, including fast-forward key. ColEm will run ColecoVision cartridge files with .cv, .cv.gz, .rom, and .rom.gz extensions. Place your files into E:\Others\ColEm and don't forget to put COLEM.ROM (ColecoVision BIOS) there. Control keys:

[SEND] opens the application menu.
[END] quits the emulator.
[SOFT1] is the left fire button.
[SOFT2] is the right fire button.
[+] doubles as[*].
Numeric keypad works as ColecoVision gamepad.
QWERTY keyboard acts as fire buttons, just like in other ColEm ports.
[,], [.] fast-forward emulation.
[&larr], [C] toggle sound playback.

More Info --> http://fms.komkon.org/EmuSymbian/