Android devices also need their memory optimized from time to time. FLUSH is a free Android memory optimization widget that does exactly that, in one tap.
If you need to create RAM disk partitions, but you need persistent RAM disk partitions, try this little Window utility that creates persistency illusion.
MemTest is a free computer memory tester which you can use to check health of RAM/system memory. Here you can find out how to actually test memory with it.