Some random questions ;)

1) What is your favourite place in Berlin?   ['favorite' = American spelling ; 'favourite' = English spelling]
2) Which picture is on your iPhone homescreen?
3) Do you believe in the power of thoughts?
4) What smell is associated whith spring for you? [What smell do you associate with Spring?]
5) Do you keep a diary or, maybe, just write your thought in copybook?
6) Can I hug you?                      [Hugs are good, but impossible online!]
7) Can I kiss your to cheek?          [Or even on both cheeks!]
8) You may push it (when I explain someone how use my camera)

[Depending on the camera: "Push the button" / "Press the button" / "Touch it here"]

(hug) (kiss)

Not bad! :) Just some corrections:

4) What smell is associated with spring for you?

5) Do you keep a diary or perhaps, write your thoughts in a notebook?

7) Can I kiss your cheek? 

8) Press this button