Originally Posted by Lord Takyon
+1 to that. I only use a task killer to get problem apps out of memory sometimes. As a rule android is very good at managing memory.
These things will always start and it usually means the apps stay up quicker.
Sent from my XperiaS via transwarp beacon.
In addition to that, it doesn't take more or less battery power if the memory is full or empty.
Killing apps and starting them however does take battery power.