Internal Combustion Engine is a free handbook developed by AppsStar for Android users. It provides a detailed explanation of the different types of motors, as well as the main concepts and formulas relating to Internal Combustion Engines. With over 90 topics, the handbook is designed to help polytechnic students and professionals build their vocabulary and mechanical knowledge to talk intelligently with mechanics and even diagnose some car problems.

One of the most significant features of the Internal Combustion Engine handbook is its well-organized and friendly interface, which allows for easy navigation and quick access to the desired topic. The articles are arranged in alphabetical order, and you can search for topics using keywords. Moreover, the handbook supports many languages, including English, Spanish, German, Italian, Portuguese, and French.

The handbook also comes with other features like support for dark mode, bookmarking favorite articles, zooming, and the ability to work offline. You can select the text that you want to share with your friends through e-mail, WhatsApp, Facebook, and much more.

Overall, Internal Combustion Engine is an excellent reference material for anyone interested in learning the fundamentals of Internal Combustion Engines. It is a must-have for polytechnic students and professionals who need an offline handbook to cover the basics of Internal Combustion Engine.