Star PassPRNT is a print data relaying application. Star PassPRNT receives print data from an Android app and sends it to a Star Bluetooth Printer.
Your Android App can call Star PassPRNT by using URL schemes and pass print data made from HTML to Star PassPRNT then Star Printer prints that data.

Supported Star Printers are listed below.

Star Micronics Desktop Printers:
TSP650II　F/W2.1 or later　Bluetooth/Ethernet/USB
TSP700II　F/W5.1 or later　Bluetooth/Ethernet/USB
TSP800II　F/W2.1 or later　Bluetooth/Ethernet/USB
FVP10　F/W2.0 or later　Bluetooth/Ethernet/USB
TSP100IIIBI/LAN/WLAN/USB
BSC10 F/W1.0 or later　Ethernet/USB
mPOP F/W1.0.1 or later Bluetooth/USB
mC-Print2 F/W1.0 or later Bluetooth/Ethernet/USB
mC-Print3 F/W1.0 or later Bluetooth/Ethernet/USB

Star Micronics Portable Printers:
SM-S220I　F/W3.0 or later　Bluetooth(StarPRNT)
F/W2.1 or later Bluetooth(ESC/POS)
SM-S230I　F/W1.0 or later　Bluetooth(StarPRNT)
F/W1.0 or later Bluetooth(ESC/POS)
SM-T300I　F/W3.0 or later　Bluetooth(StarPRNT)
F/W2.5 or later Bluetooth(ESC/POS)
SM-T400I　F/W3.0 or later　Bluetooth(StarPRNT)
F/W2.5 or later Bluetooth(ESC/POS)
SM-L200 F/W1.1 or later Bluetooth
SM-L300 F/W1.0 or later Bluetooth