Samsung A03s Twinme Private Messenger Incoming & Outgoing Voice & Video Calls Android 11 

Samsung Galaxy A03s Twinme Private Messenger app incoming & outgoing voice and video calls. The phone runs One UI Core 3.1 on top of Android 11. Twinme app doesn't require a phone number.
00:09 Incoming chat message
00:23 Incoming voice call
00:48 Outgoing voice call
00:58 Video calls