Square Enix have a released a sequel to the Nanashi no Game games (?) for iPhone and iPod Touch in Japan today, priced at ¥800. An Android version will be released in February.
Andriasang
The premise is similar to the original. You play as someone who's downloaded a cursed 2D RPG that promises your death within one week unless you manage to clear it. The sequel adds 3D sound, Twitter connectivity, and a new system which shows a virtual OS slowly get eaten away as the curse progresses.
Sounds great, I hope they will release an English version one day, but that probably won't happen because the other games weren't localized either.
I wish to see the exploration sections. If this is *just* the 8-Bit game and a phone-like interface then... well, I'd play it just because it's a Nanashi game, I wouldn't be thoroughly excited for it though.