Ipynb Viewer is a free Android app developed by Not Flamingo Studio. It falls under the category of Business & Productivity, and is a subcategory of programs that allow users to view and read files. This app is specially designed to open ipynb files and read Python code in a convenient HTML format with zoom.

The app uses the nbconvert utility to convert Jupyter notebooks and does not require an internet connection. It saves the recent files to local storage, which can be opened quickly. Another exciting feature of this app is that it allows users to open Google Colab notebooks using the default Google Drive file picker. With its user-friendly interface and free availability, Ipynb Viewer is a great app for anyone who wants to read and view Python code on their Android device.