KeePassDX is a password manager for Android, which helps you manage your passwords in a secure way. You can put all your passwords in one database, locked with a master key and/or a keyfile. You only have to remember one single master password and/or select the keyfile to unlock the whole database. The databases are encrypted using the best and most secure encryption algorithms currently known.
Features are similar to those of KeePassXC.
Download it from F-Droid.