Viva Video an application for teachers and students, Demo 3.

You can use this app here.
You can see our lesson plan here.
You can watch a video about this app here.

The description about this application says:
"VivaVideo is one of the best video editor, photo slideshow maker & movie editing apps in Android market. It has over 200 million people all over the world so far and has been featured in Google Play many times, ranked as No.1 free video editor & movie maker app in 100+ countries. With VivaVideo, you can easily create your video story and share with your friends & family, transforming everyday moments into works of art as you want and let the world discover them"

Group: Arturo Barrantes Mora, Ivannia Mejías and Natalia Baltodano

Also I found a list of free software for students if you want to look for more options to use them.
See it here.