game instalation problem?

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Posted by K750iOwner
Hey, when i try to instal games that i have downloaded for my k750i via pc, when i go to install it on my phone it comes up with operation error? ive put the JAD file onto my fone to install it but i cant seem to get any where, is there any solution to this?
also i try to use the JAR file but i get lots of folders but i dont know what to do with them? i would much apreciate if some one could help me.
thanks in advance