Simple GPIO control with Raspberry Pi B+ and 2.8" Display (+GPIO adapter) The first raw = output, the second raw = input.
OS is a raspbian with preinstalled Notro's FBTFT - thanks to Notro ;-)
The GUI was created with Python/Pygame.
http://5volt-junkie.net/gpios-steuern-mit-raspberry-pi-und-touch-display/