RAM expander is an application uses part of your SD card as RAM and speed up your phone but you must have the large memory card. You don’t have the large memory card just convert your memory card into 4GB. We already discussed about the article in previous session. Now your memory card is capable to expand your RAM. Just think SD card can be RAM of your android devices which supports SWAP technology
RAM of the smart phone will be increased on a great extent. This feature is just awesome since no external RAM has to be attached. It just swaps the memory of the RAM. Instead of using the RAM defend by the system; the app makes the free memory space into useful virtual RAM.