Someone may need (rus, br, etc.):

1) In component b2j Contact form make two users: first user "user" (translate all button and fields default in english) and make user "user-rus" (translate all button and fields in russian or br, etc)
2) In file templateDetails.xml add two new position:

b2jcontact-en

and

b2jcontact-rus

3) Make B2 contact module for user "user" (set Select a Contact -> "user") and assign module to position "b2jcontact-en"
4) Make B2 contact module for user "user-rus" (set Select a Contact -> "user-rus") and assign module to position "b2jcontact-rus"
5) make new content item (or K2 item) "Feedback" and insert code:

{loadposition b2jcontact-rus}

5) Goto FaLang component and translate item "Feedback" to "English" and add code

{loadposition b2jcontact-en}

6) add to tempate.css (or make new custom.css) this code:

.b2jcontainer {

	border: none !important;

}

.b2jcontainer h2 {

	display: none;

}

7) And last: goto Menu manager and make new menu (select your content item or K2 item "Feedback")