It truly depends how about YouTube can someone out run it maybe some other apps might be outrunned but some will stay as it is like people commonly use it.
Yes of course! some games in phone are pretty fun maybe one day they will defeat PC, due to the reason technology keeps on evolving every time, we don"t know tomorrow will be the new start of an era where phones becoming more high end.
One of the major problems in my PS4 is the price basis of the CD's they are more becoming expensive and you need to pay real money to participate in multiplayer game plays which is quite an annoyance to me unlike PC you can freely participate in online matches.