The Brother Print SDK Demo is a demo application used to print image files, PDF files and other files on the Brother mobile printers and label printers listed below. You can send and print the image files or PDF files from your Android device via a Bluetooth, USB or WiFi connection. [Supported Printers]. MW-140BT, MW-145BT, MW-260, MW-260MFi, MW-145MFi, MW-170, MW-270.