Android, UIQ 3.0, Series 60 Edition 5 open-source software
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
MultiLingual Interactive Fiction
A cross-platform «Boulder Dash»-like game in Oberon/Component Pascal
Use delphi or lazarus to program Anti Reversi by min\max method
Single-player first person shooter game for JSR-184 Java/J2ME phones.
All-in-one speedcubing app for Java-supported mobile phones
Tantrix board game and puzzles for J2ME and Android devices