I am well aware that I can scrobble my listening history to last.fm, and this is a great feature.
what I would like is the ability to sync my favourites in uapp to my likes in last.fm. so when I mark a track with a heart in uapp and scrobble it, it ends up with a heart on my last.fm too.
this means I can sync my favourites on uapp with media players on other devices easily and keep track of all the best tracks in my library no matter what device I'm on.
Ok, thank you for the elaboration, I misunderstood you; my apologies.
That's an interesting feature request, but I've not come across this in any music apps with Last.FM integration.
Services I use (Tidal, YouTube Music, Qobuz) have Last.FM scrobbling features but do not sync likes. UAPP, as you have pointed out, does not either.
In UAPP, if I am using Tidal, then when I
like a song, that syncs to the Tidal service, as that is part of the API for Tidal. This works inside UAPP when using Tidal too.
The Last.FM Scrobbling feature, in Tidal or UAPP, is a separate API and only scrobbles music.
My understanding is that the Last.FM integration is only in the realm of scrobbling music, but I'm unsure if the Last.FM API allows any further interaction.
You can contact UAPP developer (try GitHub?), but as I have never heard of any music app with Last.FM integration able to sync likes in the first place, I'm not even sure if it's possible.
As I have no further knowledge, this next bit is purely speculation: the syncing of likes might be a limitation of Last.FM API itself, as in, a feature that either is non-existent, dormant, or formerly active but now not (or another reason, if it exists).
Anyone else who knows please update or correct my post!