the problems in the game Metal force deluxe 2012

Does anyone play the game Metal force deluxe 2012? I would like to answer the questions which are often mentioned .

 

How to jump on the raft?
---Shoot the water which in front of the raft and it will move to you,then you can jump on it.

 

How to jump over the electric fencing?
--Shoot the balls on the both sides of the electric fencing,then you can jump over it when the balls are broken.

 

Where to go ?
---Shoot the green button continuously,the door will open finally.