When we enter the game, it wants us to choose a server, but it stays loading in two options, so I could not play the game, can you please help?

hello, when u start the game there are 2 servers: Netherland and Singapore. I have accidetally pick Singapore and now i cant login in the game.. How can i change server region ??? Help me thank you

game is in small screen mode can not figure out how to make it normal

The game went really small screen and i can not get it to go back to normal

Is there a way to contact the developer?