A copy paste application that manages frequently used text snippets. Snippets can be copied to the clipboard with one touch.

Speed up phone;
Save battery;
Auto kill & widget;

Quick App Killer is a tool to kill running tasks for speeding up your phone, saving your battery life;

Best task/app killer on Android Market.

Quick Settings is a highly customizable all-in-one settings applications for Android

Quick Questions is a FREE user/community based questions and answers app.

Easily scan, create, and share multipage PDF documents using your camera.

Description
User-friendly and Simple to create Notes & Task Lists.
Create, Save & Share. Write Story articles or mails.
Create shopping list, or track daily errands with task list.
Assign color tag to files to organize.
Create Notes, save and share with your friends.
Create Task List with status update for every tasks.

A simple notepad application.
When you write notes, memos, e-mail, information, shopping lists, to-do list, it can give you a quick and simple notepad editing experience.
You can set reminders for each important note, so that you will not miss important things.
You can place it on the phone's desktop, to record some easy to forget things. And there are two different specifications, each specification of five different colors of sticky notes can be selected.

Hand write notes quickly and easily with Quick Note

Quick Launch Free Edition
Although android has a wide range of abilities, some essential features are missing, among them is QUICK ACCESS (LAUNCH).

Quick App Installer
install external android apps on your mobile, you can search any folder by typing the folder location or just place your apk files in your scard root folder and easily install them on your phone

Qubble provides innovative ways to take notes while on call and from notifications. Auto Reminder helps you remember everything in smart way.

An easy to use app for your quick calculation of quadratic equation, no more repeating in using the annoying long quadratic formula.

QR Code Reader is a full-featured QR code scanning app.

Quote On The Go is the first of its kind application for the Android Platform. It is a Project Manager that allows to create Projects and send the Quotes to your clients regardless of where you are.

QNameCards is a simple digital name cards management tool.

When you receive a name card from a customer, vendor or friend, digitize it and store it in your phone! No more lost name cards and messy name cards albums!

Share Contacts and Files with iOS, Android, and any other device! Airdrop for Android.

Qalculator helps you get an idea of how much it may cost to develop a website. You can select various options and features that your website will need and it will give you an approximate cost estimate.

ptMobile is a pivotaltracker client for android.

The application helps the programmer to transfer numbers between different number systems and the implementation of these operations of the algebra of logic. It also helps people who study computer science in schools and universities.

Users can create, edit and delete multiple profiles that alter the settings of their phone.

The scheduler automatically activates which profile should be used at any given time, date or even at which level of remaining battery power.