천지인 키패드 가이드

Despite the trend of using a lot of texts as well as telephones as the smartphone spread, unlike in the old days when there were only telephones, the younger generation quickly became accustomed to it, whereas the older generations are still unable to use the keypad. In order to use your smartphone more effectively, you need to use a keypad, but the only person who can teach you to type letters using this keypad is his or her family, but no one will get used to it all at once. I developed an application for repetitive learning.

For the first time, we will update it with more examples.