QPython is an open-source Python interpreter and development environment for Android devices. It allows you to run Python scripts and programs on your Android smartphone or tablet. The “Q” in QPython stands for “quick” because it aims to provide a quick and easy way to develop and test Python code on Android.

With QPython, you can write and execute Python code directly on your Android device, making it useful for learning Python, prototyping, and scripting tasks on the go. It also comes with an integrated development environment (IDE) that includes features like code highlighting, auto-completion, and debugging tools.

QPython provides access to various Android APIs and can interact with the device’s hardware and sensors, making it suitable for developing applications that utilize mobile-specific features.

Here are some key features of QPython:

1. Python Interpreter: QPython provides an interactive Python interpreter that allows you to execute Python code in a terminal-like interface.

2. Integrated Development Environment (IDE): The IDE in QPython offers a code editor with syntax highlighting, code completion, and other productivity features.

3. Access to Android APIs: QPython allows you to access various Android APIs, enabling you to interact with sensors, access storage, make network requests, and more.

4. SL4A (Scripting Layer for Android) Integration: QPython builds on SL4A, which acts as a bridge between Python and Android APIs.

5. External Libraries: You can install and use external Python libraries in QPython to enhance its capabilities further.

Please note that my knowledge is up to date as of September 2021, and there might have been updates or changes to QPython since then. To get the latest information and download the most recent version, you can check the official QPython website or other reliable sources.