I might try to hack the 925 to run Android or something after I got tired of Windows Phone. (Surely somebody will port the whole android to 925. Somebody did it with the N9)

It's a big question mark whether someone at XDA developers will manage to port android to the 925.
And even if it happens, it will be instable and incomplete, like most Android ports on Windows Phones.
Don't get me wrong, I'm not trying to scare you but with the money you spend on a 925 you can get a superphone that actually uses the hardware inside it, with all options that WM has.
Your choice tho, good luck.