I want Clash Royale have a series of missions followed over a period of more than 1 week to receive valuable in-game rewards
Launching messaging feature between players and being able to watch live matches of the top 1000 in the world rankings
Introducing a feature so players can increase or decrease attributes directly in the game for a certain period of time to be able to balance in a way like voting in real life.
Organize tournaments about a certain card like Pekka tournament to find the best Pekka player