4 apps
LinuxDoors.com
An open court, a hoop and a crosshair on the glass.
LinuxDoors.com
Seven games of pool on a table drawn by the program.
LinuxDoors.com
The maze chase, in flat 2D and three kinds of 3D, with a maze editor to build your own.
LinuxDoors.com for android
The desktop game's shot, taken with a thumb: swipe up to wind it and let go on the spot you want.