Looks like Sony are giving a way a few mini's on Facebook.
Games:
Velocity
BreakQuest
Canabalt
Wizorb
https://apps.facebook.com/ps-xmas-vouchers/
EU only.
Games:
Velocity
BreakQuest
Canabalt
Wizorb
https://apps.facebook.com/ps-xmas-vouchers/
EU only.