@gregkulowiec), but the concept of using multiple apps to merge content is also referred to as App Synergy by educational technology Lisa Johnson (@techchef4u).
Below are some articles on app smashing:
The History 2.0 Classroom: App Smashing Part I
Edudemic: How to use 'App Smashing' in Education
Tech Chef's App Synergy: The Art Form of App-Smashing
Beth Holland on App Smashing by Greg