Our Mobile App of the Day is Words by Post for Windows Phone.

Words By Post is the only cross-platform word game that keeps track of your skill level and always matches you against players of similar ability to your own. And since it is available for iPhone, Android, and Windows Phones, you can play your friends no matter what type of phone they have!

Play this classic word game with real people! Challenge your friends to friendly games or play ranked matches against random opponents of similar skill levels. Compete for the highest rating. Play as many simultaneous games as you want!

Pin the app to your home screen and push notifications will let you know when you have moves waiting!

Tap any played word on the board to see the definition and etymology of the word.

Tap on your opponent's name to see your all-time head to head stats against that person.

Customize the board color theme to be either light or dark.

Chat with your opponents using the in-game message board.

Improve your ranking by playing ranked games against comparable opponents. Skill ranking updates using the classic Elo rating system to adjust your rank when you win or lose. A leaderboard view shows you how you compare to the top players.

Words By Post is perfect for players of all skill levels because your matched opponent's skill level will be adapted based on your own skill level.

Shake your phone to randomly reorder your tiles.

Create a local hand-off game and play your friend by passing the phone back and forth. When you make your move, your opponents tiles will not be visible until they reveal them.

New in Version 2.8

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Bug fixes:

- Fix so that in game refreshing doesn't causes errors

- Fix head-to-head stats results display bug

- Fix layout of leaderboard win/loss column

- Fix Facebook settings page for light theme

- Fix to reduce corrupt game instances

- Swapping yes/no buttons in accept game dialog

You can download Words by Post from the Windows Marketplace on your device, or here.