Speed Up and Back Up Your Rooted Android Phone - Android rooting - Lifehacker
If you've rooted your Android phone with a custom ROM, you've already got a snappier OS. With a few free apps, you can free up memory for even better performance and keep your ROM up to the bleeding edge.
Moving your applications to your phone's SD card, referred to as "apps2sd" in geekier circles, is said to "free up memory,"Android Development 101 – Part 1:Hello World - Hack a Day
You would have already saved money if you have an Android instead of a iPhone! But here is another thing: we are going to tell you how you can save more money using an Android. So we have compiled a list of apps that you need to get your hands on so that they can be away from that fat wallet.12 Awesome Android Apps that Will Help You Save Money