I need a single Android application that lets my coaching institute handle everything in one place—from the very first inquiry all the way to fee collection and daily attendance. Students, teachers, and administrators will each have their own role-based access, and everyone will sign in with a phone-number-and-OTP flow (no emails or social logins). Once inside, every user sees a clean dashboard showing Upcoming Classes, a Fee Summary, and any new Notifications. Administrators can enter inquiries, confirm admissions, create courses, schedule classes, track expenses, record payments, and send automated fee reminders. Teachers should be able to mark attendance and upload exam marks. Students simply open the app to check their schedule, dues, and any SMS notifications pushed regarding fees, attendance, or exam results. Core expectations • OTP authentication that works reliably across devices • SMS-gateway integration so fee reminders, attendance updates, and exam marks go out automatically • Cloud-based sync (Firebase, Supabase, or a comparable backend) so multiple admin devices stay in step • Modern Android UI compatible from Android 8.0 upward • Full source code, clear build instructions, and a short admin user guide at hand-over If you’ve already built similar education or coaching tools—or can leverage proven open-source libraries—let’s talk and get this live quickly.