To the best of our knowledge, this is the first fully noncustodial approach.

In theory you can get any currency. The hard part will be to get the liquidity, i.e. you always need 2 parties for this, one who goes long and one who goes short. The one who goes short is stable in the currency of choise, e.g. if you have BTCKES, you need someone who wants to go long BTC against KES.