There's an app for that. Android Password Store[1]. You can use a Yubikey Neo with NFC in combination with Open Keychain[2]. Both are available on F-Droid. [1]

There's an app for that. Android Password Store[1]. You can use a Yubikey Neo with NFC in combination with Open Keychain[2]. Both are available on F-Droid. [1]https://github.com/zeapo/Android-Password-Store https://github.com/zeapo/Android-Password-Store [2]https://github.com/open-keychain/open-keychain https://github.com/open-keychain/open-keychain