I guess that 1GHz will be too less anyway to make reasonable framerates in games for smartphones.
More appropriate is probably a safe decal shadow sprite which sticks to the surfaces.
But, nonetheless, any progress in this project is welcomed! wink

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt