Just FYI,
For the Samsung Focus and Omnia 7 or any device using Amoled screen.
Do not use:
- White background, it takes 3 times the power of normal LCD to produce white.
- Red theme, it makes characters look more pixelated and the edges of tiles grainy.
- Blue theme, blue color dies first in Amoled screens.
Do use:
- Black background, it uses the least power and much much less than a LCD.
- Green/lime would be your best bet since the fonts and tiles look much more clear and crisp because of the double pixels/saturation on green color.