This app was mentioned in 3 comments, with an average of 1.33 upvotes
There is also the100.io app if you don't want to have access to a computer:
iOS: https://itunes.apple.com/us/app/the100.io-group-matchmaking/id972830288?mt=8
Android: https://play.google.com/store/apps/details?id=io.the100.mobile
Somehow you still have the old version of the app. Weird. Please uninstall that one and install the new one here https://play.google.com/store/apps/details?id=io.the100.mobile