I need a 2d sprite sheed for a mobile app

I know that in your description stands that you do Logos, Flyers and Stuff. But could you also do a Sprite sheed for a mobile App. It will be a Jump and Run 2D type of game wich I am programming all by myself but i could need some help for the arts, so i am asking you if you would like to help me in this project and if you are able to do something like that. I am also asking how long would it take to do so, i am a student so my max amount would be around 300 swiss Franks. I hope we can work together.

Benjamin