One of Android's best and most oft-overlooked features is its ability to switch out the default keyboard for an alternative. These come with extra, innovative features and are a vast improvement on the stock keyboards.Switching between the various keyboards can be a bit of a pain, but if you tap the menu key on your device, choose "Settings" and then go to "Language & keyboard" you'll be able to choose which ones are active, and which one is currently set as the default.