This app was mentioned in 7 comments, with an average of 6.43 upvotes
Do you mean stair dismount? https://play.google.com/store/apps/details?id=com.secretexit.dismount
yess! Stair Dismount was one of my favourite games
https://play.google.com/store/apps/details?id=com.secretexit.dismount&hl=en
https://itunes.apple.com/us/app/stair-dismount/id326469137?mt=8
Like Stair Dismount?
https://play.google.com/store/apps/details?id=com.secretexit.dismount