Characteristics
1. Dupee is most reliable input system and it uses a 3x4 board which is the best design to handle with  ngers.
2. It shows characters on 12-key pad with large-size. And it saves the distance fingers travel and eye movement.
3. By utilizing the dragging feature of the touch-screen, it allows easier, faster, and more accurate manipulation.
4. You can select the word you want after you provide guiding characters.

Characteristics of Chinese Input System
1. Enter the character by selecting a character from the keypad.
2. Each drag shows 1,000 characters.
3. With clicking the consonant and dragging it. the word you want to
enter appears. (Click the consonant of the word and drag the last
vowel at the last consonant.)
4. You can enter extra search data with 3-stroke method.

Characteristics of Chinese Input System
1. Enter the character by selecting a character from the keypad.
2. Each drag shows 1,000 characters.
3. With clicking the consonant and dragging it. the word you want to
enter appears. (Click the consonant of the word and drag the last
vowel at the last consonant.)
4. You can enter extra search data with 3-stroke method.

Characteristics of Korean Input System
1. Both Choen-Ji-In input system and Drag input system are
supported at the same time in one mode.
2. You can enter the initial consonant and the middle vowel at the
same time by dragging.