Mobile app: -
Compare with
GDAC is the centralized Korean exchange offering trading pairs against BTC, KRW (Korean Won) and GT, native token of the platform. 
Update: The exchange is closed, possibly exit scammed. The exchange website is gone and the old domain is used for advertising. CoinPlace offered a wide range of tokens for trading. The exchange’s website had English and Russian language versions. The trading commission made 0.2% for a position paid in crypto. For unverified users, the daily withdrawal limit was 100 USD. The native token of the platform - CLP - was available for purchase and trading. Twitter Media of the company has not seen any updates since January, 2019.
EtherFlyer is a decentralized exchange started in 2018. It maintains trading with pairs structured against BTC and ETH.