Useful Android Tool (9) : Sygic

Sygic GPS navigation

Sygic is a voice guided GPS navigation app. It's packed with latest maps and a robust set of navigation features. Both app and maps are updated for free. Maps are stored on the phone for offline use. 
Sygic is trusted by millions of customers around the globe.

http://www.sygic.com/en

Useful Android Tool (8) : Folder Organizer

For you to organize apps, contacts, bookmarks and others especially when you have too many apps :P

http://www.folderorganizer.net/

Useful Android Tool (7) : Astro File Manager

Easy way for you to manage all your files.

http://www.metago.net/astro-file-manager.php

Useful Android Tool (6) : Team Viewer

Let you do remote control on other PC in very easy way

http://www.teamviewer.com/en/index.aspx?cdsplit=D

Useful Android Tool (5) : TED Air

Lots of inspirational talk from the leaders.
They talk about "Technology", "Entertainment" and "Design"

Some video come with subtitles also.

http://www.ted.com/

Useful Android Tool (4) : Polaris Office

Let you edit document from Microsoft Office. 

Document supported are word, excel, power point.

A must have tool for work

https://www.infraware.co.kr/eng/01_product/product17.asp 

Useful Android Tool (3) : BabyCenter

Provide pregnancy tracking week by week

Good tool for new mom

http://www.babycenter.com/

Useful Android Tool (2) : Evernote

Capture action item during the meeting and synchronize with your tablet, laptop or desktop.

http://www.evernote.com/ 

Useful Android Tool (1) : Mindjet

Mindjet is a map mapping software for android.
Very useful to turn your ideas into action.
I am using it summarize important idea after a reading or attended a training.

http://www.mindjet.com/