there USB sticks out now that have a processor built in... ie you can boot up windows or android using one of these plugged into a hdmi port on a tv or monitor... no desktop required.
Intel Compute Stick with Windows 10, Quad-Core Atom x5 and 32GB Storage (BOXSTK1AW32SC)
https://www.intel.com/content/www/us/en/compute-stick/compute-stick-product-brief-stk1aw32sc-stk1a32sc.html
has anyone tried adding Slitaz to one of these as a boot up option?