theres a binary under the releases tab on my fork on github. should work. i havent learned anything about packaging for sailfish, otherwise id do something cleaner
5ber card definitely cant do multiple active profiles, unless they changed something huge in their last batch before going out of business. i also have one of their cards from right before they started slightly violating spec to prevent people from bypassing the 2 download limit on the cheap cards.
on the sdcard problem, yeah thats lame, but better than not having a sd slot at all. i daily a pixel3a and am just stuck with the meager 64gb emmc. you could try something like this https://www.aliexpress.us/item/3256806235473845.html and jankily get both in there, but thats pretty janky