Right call me stupid ,thick, or blind but i need some guide\nce in installing apps on my phne. I have sighned up to filesonic and wen i dwn the app it comes as a apk file then i am seriously stuck.I USE kies also for my phne but can just open the phne ofPC also.I see things on here like wen the app is dwnloaded transfer this to a location on phne were i dnt know to be exsact and i also have ASTRO iN THERE But how i do it from start to finish i just dnt know.PLEASE PLEASE HELP SOMEONE.. 