Por si algún profe quiere investigar sobre estas 70 apps y ver si le son de utlidad. Yo uso algunas // The 70 Best Apps For Teachers And Students - Edudemic. These are listed as itunes apps, but I'm sure a lot of them can be found for Android as well.
20 Terrific Presentation Tech Tools - Free ebook compilation of teacher recommendations for using online tools or mobile apps for classroom presentations. Also includes an editable student list that can be used as a handout when assigning projects.