Refining the site on joomla

The site is made on joomla 3 in 2014 using K2 in two languages (Rus) by default. In the mobile version:
Slides to the left (can jivo)? I dont know for sure.
Pictures of materials on the main are not correctly displayed
Modification of the training form
Implement video insertion
Another problem, the site is sometimes in the room version is bufirized in the browser and does not go into the Russian version