It's simple. First you need to install memory card internal storage. Then go to Settings/ Apps/ choose app/ Memory/ if using an internal shared drive( phone) click EDIT.
Here is our forum. Detailed description of the use of memory in all modes. http://4pda.ru/forum/index.php?showtopic=824364&view=findpost&p=64411656
Good luck in mastering the Russian language.
The spoiler has to be pushed.