Hey there folks,
Thanks for posting about this here in the Community!
Currently, it's not possible to remove items listed in your Recently Played on the mobile app.
However, if this is something you'd like to see in the app, we'd recommend heading over to our Ideas Exchange to add your support there.
Hope this helps clarify things! Don't hesitate to give us a shout if there's anything else we can help with.
Have a lovely day 🙂
We'd recommend heading over to this Idea and adding your +Vote.
Here you can read more on how ideas work.
We also suggest checking this help article for useful tips on how to submit an idea. As a heads-up, it's good to know that the higher the number of votes an idea gets, the more likely it is for the idea to be implemented.
Hope this helps. Let us know if you have any more questions.