After three months of silence Oscar BraindeaD released a GBA clone of BombJack (v1.00)! Some of the features are:

* 5 backgrounds
* Up to 5 enemies in screen
* 3 kinds of powerups: Enemy-eater, Multiply, Extra life
* 6 kinds of enemies

Thanks for Oscar himself for letting me know. If you like his small game, don’t forget to write him your opinion 🙂