There is a large mesh pocket in the back of the seat where parents can store their small items like mobile, keys & smallaccessories, there is another two mesh pockets inside of the seat for more storage.
On Friday, Amazon released the new Alexa MobileAccessory Kit, which is intended to help developers integrate the company's personal smart assistant into smaller devices like «headphones, smartwatches, fitness trackers,» and more, per Ars Technica.