Yes, on the server. The security team made it well protected.

Making full native means going to Appstore, app can be thrown off from there any minute. Kinda risky to rely on this..

jonas.schnelli, it is a solution for pocket expenses. To use in cafe, ATM machine, transfer your pool earnings etc....
We understand people won't store a lot BTC on mobile wallet, same as you aren't taking a lot of cash with you all the time.

If it is a matter of trust, then it is a matter of time.
Pools, Markets store your coins on their servers, you believe them only if they are quite old and have good reputation. Right?

Thanks for your questions.