| Answer | Crossword Clue |
|---|---|
| TETRIS | Popular game-app download |
| EZINE | Newsstand app download |
| KILLERAPP | Very popular download |
| SHAREWARE | Once-popular free computer download |
| GPS | Popular smartphone app |
| TINDER | Popular dating app |
| GCHAT | Popular instant-messaging app |
| FACESWAP | Popular app feature that generates funny photos |
| App on which Justin Bieber's account is the most popular | |
