If you want a plasma mobile device, your best option is to find devices that are...

If you want a plasma mobile device, your best option is to find devices that are supported by PostmarketOS. That is a distro (kind of like Ubuntu etc ...), which under the hood can use libhybris to talk to Android drivers etc..

https://wiki.postmarketos.org/wiki/Devices

There maintainers create configurations for those specific devices to make them work well with postmarket OS:

https://gitlab.com/postmarketOS/pmaports/-/blob/master/devic...