Apps Selected for Heuristic Evaluation PriceBlaine 2017 Subset of Google Play Store apps satisfying the following criteria:<br><div><b>-exclude</b> if the primary purpose of the app is to demonstrate an activity or provide advice, such as how to correctly execute a particular exercise.</div><div>-<b>include</b> if the app enables a way of collecting, storing, and reviewing time series data pertaining to the self.</div>