I have the same issue, and I have fixed it by
It will also create a /dev/uinput
Protocol versions error
Well, I have the next error when i try to use my android 4.4.2 tablet with gfxtablet.
GfxTablet app speaks protocol version 1 but driver speaks version 2, please update
I’m not too familiar with nets, so I don’t know what happend, I try to google it but no really helpful links appeared.
Trying on Linux Mint 17 32 bits.
I have just uploaded the new app version (1.4) to the stores and updated the homepage with a link to the new server.