If you are looking for a calculator, be it scientific, statistical, or simple public school level but the RPN and emulating HP/Casio interface makes whatever you found worthless, then this is what you look for.

Monitor your Windows PC sensors from your Android.

Vault is an all-in-one, advanced App Locker and Lockscreen app designed to protect your Android device from intruders!

A tool to handle highly used option required on a phone
Profiles , Volume ,Bluetooth , Wi-Fi , Flash ,Auto Sync , Mobile Data and Screen Brightness

Memory Booster is a powerful mobile Memory & RAM boosting tool specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your Android smartphone running faster and efficiently. It increases your cell phone's performance by making more memory available for both your applications and the mobile system.

GreenPower battery saver brings many extra hours to your battery life!

"Charge less by extending your battery life with this amazing app""!! (Sprint newsletter)

Network Monitor is a tool that will help you see which applications are using bandwidth on your device.
The application allows you to view running apps on your device as well as the amount of data traffic for them.
It shows the open sockets on your device and also provides statistics about all the network interfaces available on your device.

I have really missed graphs of system status from android. I wanted something like you have in task manager on windows, or widgets on my KDE desktop. When I found nothing like that, I decided to write one, here it is.

Usemon is a simple application for monitoring usage of system resources. It displays graphs of CPU, RAM, and network usage. No root needed. It is extremely lightweight, because it gets these data directly from the kernel. It can show statusbar notifications of these too.

A perfect, user-friendly application designed for turning your tablet or phone to run “only your selected application” for a selected period of time.
Your everyday device is now a game-boy for your kid, or it can be an entertainment tool for your travel companion. You can Securely Share your device with your children or others.

We the team Visioneers have come up with a android application keeping in mind the safety of women, so that any female of any age who wants an easy-to-use system to alert friends or relatives or any person of her choice when she's in a threatening situation named I-Shakti by shaking the phone.

Multi Measures is a swiss-army-knife set of handy and elegant measuring tools, including: compass, decibel, teslameter, metronome, stopwatch, timer, seismometer, plumb bob, surface level, spirit level, ruler and protractor.

"Just whistle and your Android will answer you!"
The Whistle Locator PRO is amazing Android finder application which has helped many people locate their Android device with just a simple WHISTLE after losing it, forgetting it somewhere or being hidden somewhere in a room on a desk behind papers, in a briefcase or in a coat pocket etc.

Yes, Contacts Mac OS X menu is here for Android smartphones and it is completely free. Contacts Mac OS Menu is a software that can make unlimited groups of contacts. All contacts will be showed at right of your phone home screen.

Yes, Mac OS X Leopard menu is here for Android smartphones and it is completely free.

Mac OS Menu is a software that can make unlimited groups of applications. All apps will be showed at right of your phone home screen.

Protect your smartphone reliably against USSD codes.

Don't miss out...send yourself a message instead!
Similar to Missed Call Messenger, this app will send you a message when a calendar event is near.

This app is extremely customizable with many options to suit your needs and style. Updates and new features are frequent.

Don't miss out...send yourself a message instead!
Similar to Google Voice, this app will send you a message if you miss a phone call.

This is very helpful when you are not near your phone and miss a phone call.

This app is extremely customizable with many options to suit your needs and style. Updates and new features are frequent.

Don't miss what matters most, get notified!
This application will display a popup notification window when certain phone/app events occur.

This app is extremely customizable with many options. Updates and new features are frequently added.

Fast search by name and launch applications installed on the local device.

This is the WiFi Only version of the Notify Lite application.

Don't miss what matters most, get notified!
This application will display a popup notification window when certain phone/app events occur.

This app is extremely customizable with many options. Updates and new features are frequently added.