If you don't have it, download and install the .NET Compact Framework on your PDA (2 MB). There is 3 versions of it, one for ARM, one for MIPS and one for SH3.

You can change the background picture as you want: just modify the fond.gif picture in the c2iBubbles folder.
You can change the bubbles pictures as you want; just change the 0.gif, 1.gif, ..., 4.gif pictures.

To erase Highscores, just delete the scores.xml file in the c2iBubbles folder.

Download link for other processors:
  • MIPS Processors - 105 KB
  • SH3 Processors - 101 KB