Giotto: Cleaning a certain grandpa's room

[old biker]

Cleaning a certain grandpa's room is a new Japanese point and click, room escape game by giotto. Search for clue's and items, use them ,solve puzzles and escape.

Good luck

PLAY

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[graywolf]

Found remote, book, paper and battery...
Used battery, I think remote dod something, then paper...
Found 2 more piece of paper; used 1...

I give up...I think language barrier as paper clue makes no sense...next game.