Try these: Pako (GTA-style driving game) & Pocket Extractor (unzip)

One app and one game which you can certainly try! Pako is a GTA-style driving game and is lots of fun. Pocket extractor is a cool unzipping app for windows phone. Both are new but have potential.

Pako:

One parking lot. No Escape. How long would you last?
See if you can make it to Top 10 on online leaderboards!

Any questions? Visit us at: http://www.facebook.com/pakoTMG
UPDATE: fixed car physics related bug + added option to quick restart by tapping the screen

Pocket Extractor:

Open, extract, modify archive files in your Windows Phone today for free! Pocket Extractor is a powerful app to help extract your music, books and other documents.

Features:
* Opens and extracts .zip, .rar, .tar, .7z, .gz files
* Saves and creates new .zip files
* Opens password-protected .zip files
* Can open and extract multiple files at once
* Integrates with Windows Phone’s share feature: Open files by sharing any number of them with Pocket Extractor. Use a file explorer, like Microsoft Files or Pocket Explorer to do so
* Integrates with Windows Phone to open .rar, .tar, .7z, .gz files directly from other applications

Limitations:
* Cannot directly associate with the .zip extension due to Microsoft’s restrictions. Share a zip file with this app to open it, or use the in-app file picker
* Cannot open multi-part archives yet
* Cannot open encrypted non-zip archives yet