Heartiest congratulations for becoming product manager...
You are doing quite good..
Here i go for Suggestions now..
1. Please again increase the time duration of gift box in game from 90 to 365 days.
2. Permanent items(esp. guns, tattoos, char. etc.) availability in events and tiers.
3. Provide armors too with characters in events.
4. More mail promos must be there too.
Till time i have these suggestions only, Hope you will surely look and think upon them...
All the best, and also thank you for asking our suggestions