Use APKPure App
Get Gizmo Tutors old version APK for Android
무료 IIT 지망생은 해결사 의심
This app is designed to help JEE aspirants to get their doubts solved free of cost.
Peoples solving doubts are IIT pass outs with vast experience of teaching in renowned coaching classes.
You are not required to type the whole question, just snap and upload the photo of it.