*device need to be rooted.
Step 1: Download and install the PlayStation Mobile Store APK.
Step 2: Download the flashable ZIP from one of the links over at AndroidPolice:
Step 3: Next, you must flash the ZIP from a custom recovery, such as ClockWorkMod recovery.
Step 4: Reboot your device, after which, the PlayStation app would be
working fine. You’ll need to register a Sony Entertainment Network
account if you haven’t already, but from then onwards, you should be
able to play games.
Apparently, the PlayStation Mobile Store APK runs well on the Nexus
7, although has been said to crash on others, so you may not wish to try
this out out on your daily driver.