Game rental service GameFly has decided to go all-in on mobile publishing for some reason. The service, which rents out console games in the Netflix style, and runs the Shacknews gaming news outlet, has had a pretty popular GameCenter app out on the App Store for a while now. But now it's getting into the App Store even deeper: A few weeks back, GameFly said it would team up with developers to spotlight "Game of the Day" titles on its app, and now the company is planning to outright publish