According to their official press release, Sentai Filmworks
has licensed Phi Brain: Kami no Puzzle
Phi Brain: Kami no Puzzle will be available soon on Anime Network Online and available later on other outlets. No news of a home video release was announced.
Source: Sentai Press Release
Update, March 29, 2012
Sentai Filmworks has added Phi Brain: Kami no Puzzle 2
. The series will soon be available digitally with a DVD release to follow later this year.
Source: Press release