Need Free App that Put Password on my iPhone4 Messages

[fawad]

hello all!
i have jialbreak my iPhone4 .i searched Google alot also threads in this site too about application that put Passowrd on my Iphone4 Mesages??
Kindly name the Best,Simple & FREE App that put password on Messages in Iphone4

 

[Pinkpoison]

please do not make duplicate posts,thank you.