Android POS Direct-Print Button

I need an Android-based Point of Sale app to send receipts straight to the built-in printer the moment the user taps a PRINT button—no preview dialog, no extra confirmation screens. The button must trigger... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Java, Kotlin, Mobile App Development, Mobile Development, Point of Sale, Software Architecture)