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.
**Updated - I put the attention getters into a table format**I use these Whole Brain Teaching attention getters on a daily basis with my ELL students. These attention getters are a great way to improve your classroom management. I usually pick one