Cell phone power may have quickly improved but I see it slowing down here very soon. You will not be seeing phones replace consoles in 4 or 5 years time. Handhelds? Maybe. There are too many hurdles right now in getting similar power into a cell phone or tablet as you can get in consoles and most definitely PCs. Such a prediction would be more believable if it was 15 years or more away and assuming certain breakthroughs occurred.