"There are a lot of amazing new educational apps out there, whether you're looking for native apps or Web apps, apps for your mobile phone, for your tablet, or for your laptop. There a number of app stores too where you can find and download them: Apple's iTunes and its Mac App Store, the Amazon Appstore, Google's Android Market, the Chrome Web Store, the Google Apps Marketplace, GetJar, and so on."
Looking at issues and news related to using apps on mobile platforms for people with disabilities, and in particular for AAC. Rebecca Bright is a speech and language therapist and is part of tboxapps, developers of Predictable and Scene&Heard.
Wonkido - web and mobile based platform designed to manage schedules, tasks, lessons, therapy or activities. Features fun, kid-friendly interface and built-in reward system.