Sony is launching a Minis brand on the PlayStation Store that will be home to inexpensive, bite-sized games playable on PSP and PSP Go.

From Joystiq:

The lineup will launch on October 1st, the same day as the PSP Go. […] Sony plans to have 15 snacktivities ready for the PSP Go launch, though 50 games are slated for the rest of 2009. A few titles mentioned during the company’s GamesCom keynote include Tetris, Field Runners, Hero of Sparta and Minigore.

Field Runners, Minigore and the rest are currently iPhone games, although they won’t be strict ports as the Sony systems do not have touchscreen capabilities.  We love the Minis idea and brand, and reported on rumors about this on Monday.