Hi, I want to build an Android app for home services (like Zomato but for services). Main features: - User login (OTP) - Customer & Worker roles - Customer can book services (electrician, plumber, etc.) - Worker can accept/reject jobs - Firebase backend - Simple UI (not complex) I want: - Android app (Kotlin or Flutter) - Firebase integration - Source code included Please share: - Price - Timeline - Similar apps you built