If you're not comfortable typing, try the typing practice app.
It can improve your typing speed.
Recommend it to friends who are slow to respond to KakaoTalk messages due to their smartphone typing speed.
It'll be very helpful.
Features
1. Landscape mode support
2. Vocabulary practice (15,000 words)
3. Sentence practice (over 1,300 proverbs)
4. Games (Venetian format)
5. Statistics (shows speed, practice time, and number of practice typing sessions by day)