Hey, checkout Semper - it takes care of memorizing for me.

Semper - Learn Vocabulary Semper - UnlockYourBrain (12,560) Play Store (10) App Store Install Learn a language without spending hours and hours studying vocabulary. Semper takes care of memorizing. Made by people who love learning but hate studying, Semper is the most efficient way of learning words, phrases or facts. LEARNING CAN BE SO MUCH EASIER Semper provides short microlearning puzzles of about 3-5 seconds each, distributed throughout your day...