If you do not want to receive invitations to another user's room, change the 'Room Invitation' settings!
▼ Tap the cogwheel button on the top right, and change settings in [Invitation].
▼ [Accept All] is receiving invitations from all users. In contrast, [Refuse All] is denying all invitations from all users.
▼ If you set it as [Following], you can only receive invitation from who you follow.
▼ In portrait mode, press the ... button on the top right and select the gear button to set [Receive Room Invite]!
Change the "Room Invitation" settings depending on your situation, and enjoy World!