Modify my mobile app like Tandem (React Native .NET)

Hi, I have an app about learning English and meeting new people that name is Tiningo. App is basically a working combination of Tinder & Duolingo. If people do some tasks then they get points and they have a chance to swipe users.
I want to create a new app now a combination of Tandem & Duolingo . I have the Duolingo side so i just need Tandem side. So I need to integrate my app Duolingo side to Tandem version . I wanna use Amity Cloud Server for chat. I give details about this job. So if u interested pls contact me.
P.S: If u wanna check Tiningo, u can download iOS & Android.
Requirements : Expo React Native - .Net,
BR.