Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Words in Word - Words in Word app provides features through which you can clear levels by making new words using letters of other words.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Crossword Puzzle Free - Crossword Puzzle Free is an app by Redstone Games that provides you with a variety of different puzzles according to various difficulty levels such as easy, medium, hard, and pro, etc.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Brain Test: Tricky Puzzles - Brain Test: Tricky Puzzles is a Trivia, Puzzle, Hidden Object, and Single-player video game developed by Unico Studio for Mobile Devices.