Did the creators of Doulingo also make Tinycards?
Wow that's so cool!
It was developed by the same creators of Duolingo. In fact, you're account on Duolingo is connected to you're account on Tinycards.
Here's a link to the Tinycards website:
Yup! According to the Tiny Cards website: "Memorize anything while playing a game! Tinycards is a brand new app created by the team behind Duolingo, the most downloaded education app in the world."