Do you remember The Tamagotchi? A handheld digital pet created in Japan in 1996 that sold more than 70,000,000 units world-wide as of 2008.
XDA member Whoareyou presents Tamagotchi for Android devices with HVGA/QVGA/WVGA resolutions.
Four different games are presented by developer: Tamagotchi Angel, Tamagotchi Monster as the main ones, the other two versions are very similar...