There is a guy over in the beginner gardening forum asking for suggestions for gardening apps for the smart phones. so scoot on over there if you've ever wished certain gardening info could be made handier to use.
gardening apps
I have LeafSnap, which is okay for identifying trees but it was produced by professors at Columbia so their Texas trees are pretty scarce. Plus, you have to carry a white piece of paper (for background) around with you.