At the moment, there are three apps for Windows Phone 7 that support Remote Potato:
Smart Potato - Smart Potato is a Windows Phone 7 client for Remote Potato that allows you to manage Windows Media Center functions as well as remote viewing of Recorded TV. The app's home page is here including a video of it in action.
Media Buddy - Media buddy for windows phone 7 is an application which lets you access all of your TV information. It includes browsing and playing your recorded TV, looking at your recording schedule & add/update it, looking at channels and program guide, find a show and schedule a new recording. The app's home page is here and you can read the author's first post about it here.
Media Center HD EPG - A relative newcomer to the app scene, and looking very promising: browse EPG, stream shows, handle recording conflicts, Movie Trailers, TV Data from web sources, Background Audiostreaming, multiple hosts. Description and some great screenshots in this forum thread.
