This app was mentioned in 1 comment, with an average of 1.00 upvote
Get EMT Study Lite:
https://play.google.com/store/apps/details?id=com.epicmedic.stephen.emtstudylite
I believe it's $5 to roll over to the full version, but I credit this app for helping me pass my NREMT in 30 minutes, first try, right at 70 questions. It's amazing.