The stock UI is often described as "ugly" or reminiscent of a "90s toy".
There are old forum posts claiming you can take the (designed for the Miyoo handheld) and tweak the DTS (Device Tree Source) file to run on the A20.
The community is desperate. Upload your SD card image to Archive.org and post the link in the comments below!
Without source code access, developers cannot fix the deep-rooted driver issues.
There are unofficial builds of LineageOS 18.1/19.1 stripped of Powkiddy’s bloatware, or "Rooted Stock" ROMs.
Keep in mind that this review is based on general information, and your experience may vary depending on the specific custom firmware you choose and how you use it.