Game Proposal Precedents

I am not much of a gamer myself but I have really come to enjoy a couple of games on my iphone. Subway Surfers and Temple Run are both 'endless running' games which I have personally become rather addictive too and really enjoy playing. Both games appeal to me so much because of there highscore factor. I enjoy beating my own score or knowing that I have a higher score than my friends who also play these games.

Because of how much I enjoy these games, for my proposal I am hoping to come up with a good concept for my own 'endless running' game. It will have an appealing aesthetic and easy playability which are both factors of these two games which helps to make them so addictive.