The next patch (1.9.4) comes with an interesting feature, making tokens for daily missions and medals, which can then be exchanged for premium time or hangar slots.
Full patch notes: http://worldofwarplanes.eu/game/version/current/
- Award for completing daily missions with the aircraft of all Tiers changed. Now it depends on the mission difficulty and ranges from 1 to 3 tokens.
- Epic Achievements (each for 1 token once a day):
- Gorovets Medal
- Rudorffer Medal
- Clostermann Medal
- Zvonarev Medal
- Gabreski Medal
- Akamatsu Medal
- McGuire Medal
- Efimov Medal
- Service Awards (each for 1 token once a day):
- Price for purchasing a slot in Hangar changed. Now it costs 18 tokens.
- Option to sell the 2014–2015 holiday season consumables (Sparklers, Smoke Flare, and Fireworks).