Board update (Brawl Stars)

Hello! I have an idea for the next update. Please add the exchange of fighters can be exchanged for other players only consent to offer! Please add them. If developers can) I will wait for a response from the developer!
English/English
Hello! I have an idea for the next update. Please add the exchange of fighters can be exchanged for other players only consent to offer! Please add them. If you can develop!