Oh, wonderful! We're happy to hear that you're able to equip the cape! If there's anything else that we can do to help, please let us know. Enjoy the game! -AG
Hello! Android players either opt-in or opt-out of the Preview program to switch between Release and Preview versions. We have guides on joining and leaving Minecraft Preview here: msft.it/60159QdwX
Hi there! If you're still having issues with the cape, we'd like to have a ticket made for your case. Please write to us at msft.it/60149QdHo, so we can assist you further! -AG