Uwasa Escape 4

[old biker]

Uwasa Escape 4 is the sequel to Uwasa1 Japanese room escape game by Denasu System, the creator of Rooftop Escape. In this game, you try to find items and solve puzzles to figure out this game.
Language barrier is a problem.

Good luck

http://pajyarou.choumusubi.com/uwasa/uwasa4th.html

Please use spoilers to give hints:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for at least 7 days.

[old biker]

??? chinese to me

[SueJ999]

Can't do a thing in either screen...

[BchBum]

got key,went outside and placed it

in ignition of my car cuz I'm outta here,can't do ANYTHING...

[Yvonne]

Done aswell. Not getting what to do, I think that I have 4 things but I can't read what I have
Okay, found out that you can translate the text in the box below the game. It's Japanese.
If you double click the things you've found, you can use them. I found out that I had a small key and it opened the trapdoor in the floor. Now I have color ball, translation says??
Will stop now.