whatever you want, its your choice. Its the beauty of linux. I recommend trying an rpm (redhat), deb (debian), ebuild (gentoo), and tgz (slackware) based distros. Try them out for yourself, as for your phone the kernel (all distro's share it, just different versions ship with them) it should support it (I've done it before). I also recommend an x86 architecture over x86_64 currently to avoid potential problems while learning the OS. Remember this also, LINUX IS NOT WINDOWS, and usually doesn't try to be.
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