$ adb -s RFCN5038Y8J shell /data/local/tmp/minitouch
open: Permission denied
Unable to open device /dev/input/event4 for inspectionopen: Permission denied
Unable to open device /dev/input/event8 for inspectionopen: Permission denied
Unable to open device /dev/input/event7 for inspectionopen: Permission denied
Unable to open device /dev/input/event9 for inspectionopen: Permission denied
Unable to open device /dev/input/event5 for inspectionopen: Permission denied
Unable to open device /dev/input/event6 for inspectionopen: Permission denied
Unable to open device /dev/input/event1 for inspectionopen: Permission denied
Unable to open device /dev/input/event0 for inspectionopen: Permission denied
Unable to open device /dev/input/event2 for inspectionopen: Permission denied
Unable to open device /dev/input/event10 for inspectionopen: Permission denied
Unable to open device /dev/input/event3 for inspectionUnable to find a suitable touch device
connecting socket: Connection refused
$ adb -s RFCN5038Y8J shell /data/local/tmp/minitouch open: Permission denied Unable to open device /dev/input/event4 for inspectionopen: Permission denied Unable to open device /dev/input/event8 for inspectionopen: Permission denied Unable to open device /dev/input/event7 for inspectionopen: Permission denied Unable to open device /dev/input/event9 for inspectionopen: Permission denied Unable to open device /dev/input/event5 for inspectionopen: Permission denied Unable to open device /dev/input/event6 for inspectionopen: Permission denied Unable to open device /dev/input/event1 for inspectionopen: Permission denied Unable to open device /dev/input/event0 for inspectionopen: Permission denied Unable to open device /dev/input/event2 for inspectionopen: Permission denied Unable to open device /dev/input/event10 for inspectionopen: Permission denied Unable to open device /dev/input/event3 for inspectionUnable to find a suitable touch device connecting socket: Connection refused