Software which run on Radxa Zero – why is it so hard to find demos for it, which are not Android or games?

https://wiki.radxa.com/Zero/downloads https://www.aliexpress.com/item/1005003201834305.html?spm=a2g0o.productlist.main.1.676438ecftXkKT&algo_pvid=85e0e976-da9a-4c25-9a82-11d497ab205e&aem_p4p_detail=2023032720504118546332565665520031593153&algo_exp_id=85e0e976-da9a-4c25-9a82-11d497ab205e-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000028597925754%22%7D&pdp_npi=3%40dis%21USD%2151.34%2151.34%21%21%21%21%21%4021227f0f16799754419143150d087a%2112000028597925754%21sea%21CH%21777421489&curPageLogUid=w3TzQBDPwdsI&ad_pvid=2023032720504118546332565665520031593153_1&ad_pvid=2023032720504118546332565665520031593153_1 https://www.ebay.com/itm/334808181555?hash=item4df41f6b33:g:0kkAAOSwsBZjKCEe&amdata=enc%3AAQAHAAAA4KEflu7BiOsohsAJa9uJdIvUqFvHlLnZoz%2FjnmysQYByZWifcCU2jC39RZX0LfTUZPdkXIsr59QAqwN%2B0Icbg%2B4dsm4WF73K08tWTGbdsTgDwggWCZq6lyLr6ihdYkOHWo82IMaRFdrcheeCiEyYj1c6r69PMcZXu1ABrAnzZk06eTTpQlXT30HweJVBgeu2xQ7u24VM%2F05ckQqHCziIzeSDhUzUF3LZqr6s7%2BF62SPluiS5tR0CDfoa4epiYGgw8b8qnC2JeUJdLKA%2Foufpk%2BGrqDGUit0JVv6OPaV3JoiJ%7Ctkp%3ABFBMuqzX5eRh https://all3dp.com/2/radxa-zero-review-specs/