- run and dodge monsters
- "up arrow button" is jumping
- "right arrow button" is speeding up
| class | Description |
|---|---|
| Activity | character running activity |
| BackgroundImage | rolling background |
| Character | character move, jump and animation |
| GamePanel | Build game panel and key event |
| Monster | create monster-obstacles |
| Music | background music |
| Skill | skill's animation and effects |