Busou Shinki wave 5: undocumented features.
Magaki Ryota, the character designer of Eukrante and Ianeira, points out the accessories can be recombined in various ways and encourages fans to come up with new combos. There’s also an error in the instructions.
Michael Bay, your Optimus Prime sucks.
Oh wait, sorry. (Related.)
Al-Quran for the PSP.
I haven’t tried it myself but it apparently makes use of the PSP’s browser and the Flash plug-in.