Create a handled fleet management device with functional app

Handheld screen (6 inches approx) running android as base operating system - front and rear camera (12 mp rear + 2 mp front) - screen res 720p is enough - usb type C to OBD port preferably - must be able... (Budget: $1500 - $3000 USD, Jobs: Android, Graphic Design, Java, Mobile App Development, Software Architecture)