ON DIAMETER is the best diameter measuring tool on android. This measuring tool will help you to measures the diameter and area of any circular objects on the device's screen.

ON 2D-CameraMeasure is a powerful tool for object length, angle, area, diameter and dimension measuring. It lets you make measurement on any objects on a 2D plane. It can be used as or even replace ruler and measuring tape in many situation where the traditional measuring method is not enough or difficult to apply.

Monitor your Windows PC sensors from your Android.

ON COLOR MEASURE is an amazing way to detect and recognized colors by using the camera of your mobile device. It lets you grab a color and save the complete information of the color in the simplest and effective way.

Protect your phone from theft using Remote Locker.

ON DIMENSION STORE is the most elegant and powerful application for storing, saving and sharing object dimensions on the android device. It helps you keep in mind the exact dimensions of any objects by just take a photo and quickly write them on it.

ON LEVEL is the most precise slope measurement instrument designed to measure the angles of slope, tilt angle, elevation and inclination of object with respect to gravity. It combines two types of spirit level in one app, which is the Bull's Eye Level and Tubular Level.

A photo widget that supports semi-transparency and frame of any color you like
　
Features:

- Minimalistic style
- Semi-transparent photo display on home screen (supports Android 2.2 or higher)
- Customizable photo frame of any color you like
- Slideshow of all photos in a directory (customizable photo update interval: every minute, every hour, every day, etc.)
- Built-in photo cropping and rotating
- Four different widget sizes: 2x2, 2x4, 4x2, 4x4

Learn C language from C Tutorials. This app covers all topic for beginners to start and understand the concepts of C programming.

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

SUBPART Q FDP Calculator FULL version
Calculate the FDP limit and Rest Requirements for both Flight Deck and Cabin Crew according to EU-OPS Subpart Q.

Included features:
FDP, FDP limit, Minimum Required Rest calculation with detailed explanation, Extensions, Augmentation.
Handle differentiations between Civil Aviation Authorities through the Settings screen.
Available six different calculation methods (Default - LBA German -Spanish - Danish - IACA's proposal - EASA)

Spoof any address in the world, let your phone think you're there!!

Spoof your phones location. Select anywhere in the world and spoof your address with a fake gps location.

• Game tools: Various of gamepads support controlling game via keys and/or accelerometer and have vibrator feature.
• Office tools: keyboard, mouse and fast documents creation.
• OS tools: Shutdown/Restart/Sleep/Lock/Logoff options.

Calculates: Screen dimensions, Pixeldensity (PPI), Recommends a Screensize depending on screen resolution and the distance to screen

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

Sound/Light/Gradienter/Magnetic/Compass meters are built in this application.

This display screen will show the minimum/maximum/average/current values.

Reset button is used to reset all minimum/maximum/average/current values to zero.
Pause button is used to pause a meter. It will stop that meter. It can reduce the power consumption if you don't need use that meter.

It could help you to check the your ambient environment.

GPS locator will let you know the location of a mobile phone just sending one SMS to that cell phone.

Only one android cell phone is needed, no 3G/internet is required. The application send the location through a SMS, but also include a link to google maps with the location marked on it.

Use your old android phone as a car locator GPS, just let this old phone on your car, and turn off the ringtone.

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.

Profile Changer will change your mobile profile from any mode to any mode just by sending an SMS.

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

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