Send Anywhere is a file transfer service that only transfers files, and Android OS handles the installation of apps (APK files).
APK files have varying installation criteria across Android OS versions and devices, depending on the distribution settings configured by the developer. Therefore, depending on your Android OS version or device model, the APK file you received may not be installed.
All applications searched in Send Anywhere app are copyrighted by their respective publishers. Please note that extracting and sharing APK files may conflict with copyright laws, and you are responsible for any consequences.