Plickers are an online educational app that allows teachers to create multiple choice questions used for assessments. Coded cards are used to record students answers by using a smartphone. (Tech tools for assessment)
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.