Используйте приложение APKPure
Историческую версию Fronter Messenger можно получить на Android
Посланник весело и легко в использовании приложение обмена сообщениями группы.
Simply create channels for the users you would like to communicate with, share the channel code and get started.
As a channel owner you have complete control of your channel.
You can for example choose if you need to approve members before they join your channel. You can also make a channel read-only, this way you can have a one way communication stream to a group of people.