1) Alphabear 2) Android download 3) Android extra 4) Android Market purchase 5) Android runner, often 6) Angry Birds 7) Angry Birds 2 8) Angry Birds or Flappy Bird 9) Angry Birds Star Wars 10) Apple Watch download 11) BlackBerry buy 12) Book sect 13) Bumble or Bristlr 14) Buy for an iPhone 15) Buy that can be deleted Found on https://www.crosswordclues.com/clue/app
Amyloid Precursor Protein (APP) is a protein of uncertain function that is normally found in the brain. In Alzheimer's disease, APP is abnormally degraded resulting in the formation of amyloid. Found on http://www.alzresearch.org/glossary.cfm
— Short for application, a program that runs inside another service. Many mobile phones allow apps to be downloaded, leading to a burgeoning economy for modestly priced software. Can also refer to a program or tool that can be used within a website. Found on http://www.journalism.co.uk/terms-definitions-dictionary-terminology-words/