If your computer doesn't connect to your HDTV, you can buy a simple off-the-shelf $35 Raspberry PI 3 computer (Connect Your X-Arcade To Your HDTV) Easy to setup as the X-Arcade Joysticks work out of the box via USB (2 Needed If Trackball Connected) See Raspberry PI.
Retropie Dosbox If you'd like to connect this unit to your HDTV for classic arcade gaming, it works out of the box via USB with any computer.