How Can Mobile Devices Be Used to Facilitate Assessing Project

How can mobile devices be used to facilitate assessing project work and integrated units?

A) They can be used to get help for a child who is not doing well.
B) The children can take their own photos and make recordings of what they think is important.
C) The children can play games on them when they finish their work.
D) The teacher can download fun games for the children to play when they are done with their work.