v0.8.1-264 Touch buttons not working

[gungunner]

I compiled the git version around an hour ago on ubuntu 12.10

when trying to change keys it tells me the key is already in use for keys that I already changed, so I can't use any of the keys used by the default controls

touch buttons don't work

backspace to go to the menu doesn't work

I can't find where it saves the settings, in ~/.ppsspp there's only saves, I'd like to know where they are stored

there was a button to download the audio plugin the first time I launched the program (I don't even know if it works on linux), I didn't press it and now it isn't shown anymore