We would like to already thanks some people at AA forums who helped us to go through this tremendous work:

Duane Alan « Random Terrain » Hahn for his HUGE work of compilation.
Michael « SeaGtGruff » Rideout for solving our background colors issue.
Mike « RevEng » Saarna for his wonderful TitleScreen Kernel.

Robert M for his joystick reading control tutorial
Tinkernut for his video « how to make a VCS game in less than 10 minutes » (much longer for me to catch it)
Yuppicide & SpiceWare for advices on issues

We would like to thanks folks who gave us the tools for doing it:
Fred « Batari » Quimby for his Bb and the Harmony cartridge.
Jeffrey « jwierer » Wierer for VisualBb.