DroidJoy is a universal game emulator for Android devices, developed by Florian Grill (grill2010) from Austria. It allows you to use your Android smartphone or even tablet as a powerful and customizable DInput (DirectInput) or XInput gamepad to play any game on your Windows computer.

Optimizer is a free, open-source, very comprehensive and easy-to-use system optimization tool, developed by deadmoon (hellzerg) from Greece. It supports Windows 7 and above systems, but is mainly designed for Windows 10/11. In addition, it is more suitable for a freshly installed system, and can automatically identify your Windows version and provide some specific setting items.

DISM (short for Deployment Image Servicing and Management) is a Microsoft built-in utility for installing, uninstalling, configuring, and updating features and packages in offline Windows images (including Windows PE, Windows RE and Windows Setup), that is, a system slimming tool. Since it is command line based, it is difficult to use for normal users.

Now we have more and more digital devices, but in fact there may be only a few that are commonly used every day, and the others will be idle. So is there any way to make these idle devices also use their waste heat? The answer is yes. Deskreen is a very practical program that can turn any device into a secondary screen for your computer. That device only needs to be connected to the LAN, have a screen and a web browser (so it can be a computer, tablet, smart phone, smart TV, etc.).

On Windows, the installation behavior of applications is very free and unpredictable. Usually, various files will be released in the system during installation and use, including program files, user data, cache files, etc. What’s more, various rogue components may be installed, and a large number of registry keys and values will be written into the registry at the same time. When it needs to be uninstalled, the uninstaller program that comes with Windows has just a single function and cannot completely cleaned them up.