It appears that you have provided a key-value pair with the key being 'Mountain Duck 4.14.4.21440 instal the new for android' and the value being a large block of text.

Based on your input, I understand that you are looking to install Mountain Duck version 4.14.4.21440 on Android devices. However, please note that the provided key-value pair does not contain any download link or installation instructions specific to Android.

The provided text appears to be a product description and features list for Mountain Duck, a software application that allows users to mount server and cloud storage as a disk on their desktop, open remote files with any application, and work like on a local volume without synchronizing files. The software supports various file transfer protocols such as FTP, SFTP, WebDAV, Amazon S3, Microsoft Azure, Google Cloud, and OpenStack Swift.

If you are still interested in installing Mountain Duck on your Android device, I would recommend searching for the official download link or checking the app's website for installation instructions specifically designed for Android devices. Additionally, you may want to check if there is an Android version of Mountain Duck available as it appears that the provided key-value pair refers to a macOS-specific software.

Please let me know if there's anything else I can assist you with!