Check your altitude with Altimeter. You can use it wherever you are. Altimeter uses GPS to find your altitude.

This application allows:

1/ check of your phone sensors
2/ Centralized Volume manager (alarm, ringer ...)
3/ WIFI access points level cheker
4/ GPS + Google Maps localizer
5/ Battery level checker + screen timeout controller (mainly for an optimal battery life cycle , i.e charge it until 100% and empty it until 0%)
6/ Process checking agent which allows tracking all processes running on your phone and monitor/diagnostic memory usage.

AVG Mobile AntiVirus Security PRO for Android™ is AVG’s premium, full featured app that helps protect your phone & tablet from viruses, malware, spyware & online exploitation in real-time.

Free, top-rated, real-time antivirus and anti-theft protection for Android™ devices.

This app is one of the system utility tool that improves your androids performance. It increases your phones performance and saves battery life. Apparently which boost your system os and memory. It also has process manager which let you clean system running apps. It included with Backup & Restore feature that help you backup apps as apk file and restore when you need them. System Cleaner feature cleans Cache, Thumbnail Cache, Log File, Empty Folder, Browser History, Clipboard, Market History...

Aviation Weather with Metar Decoder and two widgets

With this app, you can try to nab the thief who ran off with your precious smartphone or tablet. You can log into a web portal and get a location of your phone on Google Maps. You can even remotely trigger the phone to take photos and record voices. The phone then sends the photos and voice files to your pre-defined e-mail address.

Beacon, a free and ad-free, light weight, energy efficient, stripped down version of a security App which would greatly aid you in finding your Android incase its lost. The App uses SMS as its primary means of communication as it’s more reliable than 3G/GPRS/EDGE etc.

Track your bike on google map when you are on a trip with your bike.

Black search saves battery power, loads faster, uses less data which saves money, reduces eye strain and looks awesome! Black is green with the first mobile energy saving search powered by Google. AMOLED screens benefit the most, saving up to 7x the power, so it's time to give your battery a break! Permissions required for Google Voice Actions.

☆ Text & Voice Search ☆ Voice Actions Express (Like "Call Sam") ☆ 4 Unique Widget Styles ☆ Multiple Resizable Widgets (x2,x3,x4,5+) ☆ Image Search ☆

"Car Location Finder" namely CLF is very effective software to remember parking location of your car.
Application has one ergonomic HD Graphic User Interface for every day usage.
It remembers also your hotel, camping or any other location in foreign places.
It has uses GPS and Compass so you do not need to internet connection.

Emergency Manager is a complete emergency situation management app for android devices which is equipped with emergency service numbers for over 200 countries. You can send SMS and Email requesting help with your current location (GPS and Network) to multiple contacts just with a single touch. It also uses the enormous outreach of the social-networking media (Facebook & Twitter) to post emergency alerts on your behalf, so that help can be always at hand. Also provides multilingual support!

Emergency Manager now on Tablets.
Emergency Manager Trial(FREE)is a complete emergency situation management app for android devices which is equipped with emergency service numbers for over 200 countries. You can send SMS requesting help with your current location (GPS and Network)just with a single touch. It also uses the enormous outreach of the social-networking media (Facebook to post emergency alerts on your behalf, so that help can be always at hand. Also provides multilingual support.

This simple application can help you track down your expenses. Expenses are stored per-category. Categories can be easily added and/or removed. Expense history can be shown as pie chart or transaction list.

External Keyboard Helper Pro is an Input Method to be used together with non-US external keyboards (Bluetooth or USB). It remaps they keyboard layout to match the layout you have selected and you can even customize your own layout.

"Find My Android" is an app that helps you find and track your android phone.

This is a fieldtest/netmonitor application for UMTS/GSM/LTE/CDMA/EVDO network. This is same as G-NetTrack Pro, but without map support and is suitable for devices without Google Play services.
G-NetLog (trial) is trial version of G-NetLog which runs for limited time.

GeoPersons is an android application that enables a user with a TerraPages account to monitor the spatial location on a map of their friends. You can invite TerraPages users to become your friend and once they have accepted you can share location on a map. GeoPersons has a real time update mode which will move all your friends on the map in real time.

The ONLY GPS logger app you'll ever need on android platform!

Key features:
* Automatically log your location when you use Google Map, Foursquare or any other app that uses GPS information
* Save logged data in KML, GPX or CSV format
* View logged tracks in built-in map view

New:
Backup & restore database
Bug fixes

GeoSafe is an android client application that enables a user with a TerraPages account to view their route traces that have been posted to the TerraPages Geosafe location vault database. GeoSafe can also be placed in follow mode and it will upload trace segments to this database.