Android emulator is a software for use with android applications such as Dragon Mounts Mod For MCPE. bluestacks, libstage, libplay, libril, and many other popular Android emulators that you could use for that. People who don't have their own computers to test their applications will use these emulators on their laptop to be able to test it. I am not sure why these developers decided to make an application for people to download free of charge. But if they did, it could be a great help to those who could not afford the real money for the game or application.
When you download mod for MCE, you need to have already purchased the game for that specific platform. You will also have to install the application before you install dragon mounts on your phone. This application requires a certain amount of space on your internal memory. It has a very simple installation process. It also has an in-built interface on your phone where you could select the type of connection you want to make, connect your dragon mounts, select game and enjoy playing.
You could follow some of these easy steps to install mod for your mobile devices such as phones, tablets and windows Mobile phones. However, if you have problems installing the application, you could also search online for the step by step guides on how to do it. Some websites offers step by step guides on how to download and install dragon mounts on your computer. You could print these out and follow them accordingly so that you won't have troubles downloading and installing the said software on your computer or laptop later.