Hows the script?

[Sifat3d]

Please tell me what you think about my selfmade script at http://www.trevuz.tk
i havent uploaded any files but i just want to know what you guys think about it.is it unsecure?
On a scale of 1 to 10,
give my script a number for mobile downloads script. :-) tq.

Added after 8 minutes:

The whole script is a single index.php file. It needs no css,htaccess,icons,etc. It creates them automatically.

[arnage]

Decide which markup language you are going tu use, xhtml or html5, can't do both.