I’d like to use both, with preferably the same account, but mainly the same android app
Someone creates a version which adds a Lemmy compatible api to pyfedi and tested out a couple of mobile apps against it, https://codeberg.org/rimu/pyfedi/issues/13#issuecomment-1814982
So it’s not impossible - but it’s also very much a YMMV thing (I suppose it’s really still only for developers atm)