Используйте приложение APKPure
Историческую версию Gizmo Tutors можно получить на Android
Свободные претенденты ИИТ сомневаются решатель
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.