APK Installer has been designed to make it fast and easy for users to install APK files on their micro-SD card using their Android device. Launched by Mobile Manager, this app gives users full control to manage, email, copy, delete, and install APK files onto their phone. Just search for the file in the app to start organizing and accessing information. This app is available for free in the Play Store and can help fill the gaps for apps that are not available in the Play Store.