Follow The Steps -:
Step 1: Open Google Play Store in your android device.
Step 2: Browse for ROEHSOFT RAM EXPANDER (SWAP) in App store.
Step 3: Tap on to install option and install App in your Android device.
Step 4: Open the ROEHSOFT RAM EXPANDER (SWAP) app
Step 5: From there, Just Click on “Swap Activ” Button It will show you Some storage devices, you have to select your memorycard from this list. which will be also known as sdcard0 in my case. so after select your memory card, proceed to next steps, after choosing your memory card,
Step 6: Now click on “Swap Activ” button again.