JukeLab supports whatever physical keyboards -- built-in, USB or Bluetooth -- your device supports. We recommend a small standalone number pad with a backlight for the closest experience to a jukebox key pad.
These numpads are verified to work:
However, support ultimately depends on your tablet. Some things to be aware of:
Some of the numpads above have swappable key caps. Customizing the keys can further dial in "the experience".