Brain puzzle aFillomino

Brain puzzle aFillomino is a logic-based number placement puzzle.
It is the puzzle which fills up the board side with a number according to a rule.
1. Because there are 14 problems of the beginner play and 86 problems of the intermediate person play, the first person can enjoy it.
2. Because there are undo, an automatic preservation function, You can ease operation.
3. there are a function to reduce a screen and function to spread.
4. A record of the completion time is stored.
5. Because BGM 50 pieces prepare, You can choose a favorite thing."