This is a sample guest message. Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
Basic rule of thumb, if you don't know what it is, leave it. If you didn't put it there, an app or the OS did.
In most cases, if an app needs something like this, it will simply create it again after you delete it, but with 16gigs of sd memory, it's better to be safe than sorry.