finger print scan
Android devices bolster USB OTG which enables them to go about as a USB have with a reasonable link. Your most logical option might be to get a Motorola Atrix (the main rendition, which incorporates a unique finger impression peruser and a SDK to utilize it) or some other telephone with the peruser worked in (there might be some accessible now however I’m not sure). In the event that your exclusive alternatives are to utilize a USB-joined peruser you should discover equipment that has enough energy to drive it and in addition a SDK that can speak with the sensor on Android through USB. Refer website to get more help.