Douglas is annoyed because the smartphone he uses, the LG Optimus P509, uses too much storage for stuff he doesn't want or use. He can't even put what he really does want on it! Leo says the problem with older phones is that they usually use an Android OS that doesn't support saving apps to a microSD card.
Leo recommends rooting the phone and then putting on a custom ROM to allow him to do more. He should check out XDA-Developers.com. He can Input his phone model and find instructions, tips, and tricks on how to root it.