Computer Course is a free Android application developed by Apps.21 that aims to teach users the basics of computer usage. The app offers a comprehensive guide on how to use a computer, surf the internet, send emails, and use social networks. It is designed to be a manual that helps users gain computer skills and take the first step towards becoming an advanced computer user.

The app is easy to use and can be accessed in different languages by using the "Select Language" button. The course is divided into different sections, starting with the basics of computer usage, including how to turn on and off the computer, using the keyboard and mouse, and navigating through the operating system. The course then progresses to more advanced topics, such as internet browsing, email usage, and social media.

Overall, Computer Course is a great app for anyone who wants to learn the basics of computer usage. It is well-structured, easy to use and offers a comprehensive guide to computer usage. The fact that it is available for free makes it an excellent value for users who want to learn computer skills without spending money.