Done.
Controls are as follows:
-Normal Play Setting-
A: Fire weapon
B: Jump
D-Pad: Movement
Start: Kill urself
Select: Next menu
-Build menu-
A: Plant
B: Undo
D-Pad (no modification): lateral movement
D-Pad+A: Rotate along axes parallel to the ground
D-Pad+B (up and down arrows): Move brick vertically
D-Pad+B (left and right arrows): Rotate around vertical axis
D-Pad+A+B (up and down arrows): Move brick vertically a single plate distance
D-Pad+A+B (left and right arrows): Kill urself
Start: Alt-Lock
Select: Next menu
-Paint Menu-
A: Bring up paint menu
B: Light
D-Pad: Navigate paint menu
Start: Kill urself
Select: Next menu
-Misc Menu-
A: Light
B: Open/Close inventory
D-Pad (up arrow): Scroll through inventory up
D-Pad (down arrow): Kill urself
Start: Next menu
Select: Scroll through inventory down
-Misc 2 Menu-
A: Alt+F4
B: Kill urself
D-Pad (up and left arrows): Kill urself
D-Pad (down arrow): Fire weapon
D-Pad (right arrow): Open chat window where individual letters/number may be slowly selected using the D-Pad and the A button. B is delete. Start is kill urself
Start: Jet
Select: Kill urself
Have fun with this. The cartridges will start production next week unless you have any suggestions on how to make the gameplay great again.
Any other games you need for gameboy color? I can also do classic gameboy and gameboy advance.