Use APKPure App
Get Potato old version APK for Android
Potato is a simple and secure mOTP client.
Potato is an easy to use one-time-password client. It adheres to the mOTP standard as detailed at motp.sf.net. It works hand in hand with server-side Potato which is a web interface, and a plugin for Freeradius.
Pro-tip: Click the one-time-password to copy it to the clipboard.