What's NEW:
Installation on the external memory (SD-Card) is the first priority if exist, to save the device internal memory.
Memory Cleaner is A good and fast application to clear and free your RAM.
Press on the RAM wiper icon twice or triple to completely close the background cash and processes then exit. Just wait for few seconds to let your device refresh and adapt the memory and the main system apps & services, then check your RAM, and I'm sure you will get amazing :)