| Answer | Crossword Clue |
|---|---|
| GPS | Popular smartphone app |
| GAME | Many a smartphone app |
| WIFIFINDER | Useful app for a smartphone |
| GALAXY | Popular Samsung smartphone |
| TINDER | Popular dating app |
| TETRIS | Popular game-app download |
| GCHAT | Popular instant-messaging app |
| FACESWAP | Popular app feature that generates funny photos |
| App on which Justin Bieber's account is the most popular | |
