MK PasswordManagerFastInput is a free password management app developed by Kenichiro Miura. It is an Android-based utility tool that allows users to manage their login credentials with ease. The app lets users store their IDs and passwords securely and provides the option to input them quickly.

One of the most exciting features of MK PasswordManagerFastInput is its synchronization function with Dropbox. The app allows users to manage their data in Dropbox and share it across multiple devices. The app creates a FastPassSync.txt file in the SD card, which makes it easier for users to share their login credentials across different devices.

Overall, MK PasswordManagerFastInput is a simple and efficient password management app that can help users keep their login credentials organized and secure. The app's synchronization feature with Dropbox is a useful addition that makes it easier for users to access their login credentials across multiple devices.