Swap space is a portion of a phone space that is used for virtual memory.Virtual memory is a feature of an operating system (OS) that allows a phone to compensate for shortages of physical memory by temporarily
transferring pages of data from random access memory (RAM) to disk storage.This will help to speed up the android device.follow the given below steps to speed up the android device:
1.Download Memory info and swap check android application from play store.
2. Run the application and check weather device kernal supported or not by clicking ROEHSOFT RAM EXPANDER TEST.
3.If successful then Download ROEHSOFT RAM EXPANDER application
Download Swapper for root and provide the size of memory for virtual space.
4.Click on save button and restart your device.