New MIDI Manufacturer Association member RnD64 funded their development of the Jammy MIDI controller via Indiegogo and raised $218,872.
Jammy is a super portable steel string digital guitar that fits in your backpack. - 15-fret extensive sound range - Onboard guitar FX - ¼" and ⅛" direct audio outputs to your headphones or an amp.
It's also a MIDI controller. You can connect MIDI via USB or via a wireless Bluetooth connection.
The Jammy won Best of Show at the Summer NAMM 2018 show.

Jammy - Portable Guitar with Real Strings & Audio Output
Jammy is a digital guitar with the realistic look and feel. It can be disassembled into two parts which makes it an ultimately portable guitar.

Jammy - Super Portable Digital Guitar | Indiegogo
Just take it out of your backpack, plug your earphones in and play—no additional equipmen | Check out 'Jammy - Super Portable Digital Guitar' on Indiegogo.