Wallpaper has user-friendly interface, Slot Machine can be placed higher or lower on the screen, scrollable background can be selected from 5 pictures. You get prize when there are two or three same icons in row.
Has been tested on HTC Wildfire S and Samsung Galaxy+, works perfect!
Supported screen resolutions:
To move Slot Machine up or down go to Preferences – Y position – put value from 0 (bottom) to 480 (top of the screen).