Escape from the Room with the device

Walkthrough:
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-Go left and click left under corner of square, click red spot: 
 first code 33333.
-Go left and click behind cupboard to get key.
-Click books and behind trhem to get cassette?
-Click comp and put highlighted cassette on screen, click cellphone 
 and second code 09055.
-Go left and look in lower drawer. With key look in the cupboard and 
 see third code 34198.
-Go left and look at ceiling 1?10, this must be fourth : code 1
-Put the codes in the keyboard on the wall and you'll get papers. 
 Go out the screen and return to put other code.
-There is a code from the cellphonetext but it is not needed:
 147738592. For that higlight the cellphone and click on itand see the 
 numbers. You'll see another japtext, clicking the 'nine words'sign on 
 the wall.(I think all of this is not necessary)
-Put in code 26871 (you need to know the japanese keybord to get the code (the five 
 signs on papers)) and you'll get a key with witch you can open the door in the 
 cupboard screen : put out light and you'll see the door. Key and OUT.