iPeople who tried to find a flash alternative for flash have probably already heard about Skyfire browser. You can find it here on App Store:
This app is not free and will cost you 4.99$. It looks very user-friendly and has a lot of functions which means the transition from Safari to Skyfire will be quite smooth. You will have your bookmarks, search history and all other stuff that is expected from Safari but with the addition of wonderful world of flash games and videos. However if your only aim for downloading it is watching Flash and playing it you will sometimes get disappointed as it doesn’t work for all the video types and on all sites.