Please note that this is an app exclusively for AsReader ASR-R202G, and you cannot use the app alone. The following operations can be performed on the ASR-R202G.-Check the firmware version, serial number, battery level, etc. of ASR-R202G・ Setting reading conditions (vibration, beep, sleep time, etc.)-Continuous reading setting (barcode reading interval can be specified)-Specify the type of barcode to be read・ Output of read dataFor more information on ASR-R202G, please refer to the link below.https://asreader.jp/asreader/asr-r202g/