You can use translator keyboard in any app - write text messages, send e-mails, or translate your text to another language anywhere anywhere you like. As with the previous, switching between keyboards on your iPhone is so simple so don’t go getting cold feet on us now Here’s what you need to do to add a Korean keyboard to your iPhone. Type a space key twice between two words. Translator Keyboard allows you to write in another language straight from your keyboard! It’s quick and easy to switch between translator keyboard and your normal keyboard. Type Latin characters with a space key between each syllable to convert the Latin characters in a Korean character.