Well I mean a smartphone with a  mainline Linux Kernel running Electrum. Watch here 

https://twitter.com/DesobedienteTec/status/1525943051595677696

I know, but I don't think he meant that. Or did he?

But mhh, there is Electrum for Android. So maybe he did.

I didn't expect people to say "Linux" when they mean "Android" even though Android is based on Linux, as you correctly mentioned.

super_testnet

bitcoin

New release: Electrum 4.3.2. Release notes

cryptocoin

You put Linux on your smartphone? Tell me more