This app was mentioned in 2 comments, with an average of 13.50 upvotes
If they got the controls right an actual port of N would be pretty cool.
Also somewhat unrelated but there's a mobile version of Dolphin Olympics that I found on the play store and it plays surprisingly well.
https://play.google.com/store/apps/details?id=com.rawkins.dolphinupfull
Fucking Ecco the Dolphin on SEGA and now on Steam (http://store.steampowered.com/app/34274/)
Fucking Dolphin Olympics 2 flash game (http://www.kongregate.com/games/arawkins/dolphin-olympics-2) and now Android game (https://play.google.com/store/apps/details?id=com.rawkins.dolphinupfull&hl=en)
Fucking dolphin fucking a dead fish nsfw (https://www.youtube.com/watch?v=TvLZxG6pB6U)
Fucking dolphins man