This will be available in the next versions of the apps. Supports parameters digits (1-10), algorithm (sha1, sha256, and sha512), period (> 0) and secret (base32 key). Learn more about using otpauth:// urls here: https://github.com/google/google-authenticator/wiki/Key-Uri-Format
Example:
otpauth://totp/Test:me?secret=JBSWY3DPEHPK3PXP&algorithm=sha256&digits=8&period=60
If you only provide the secret key, we default to the standard parameters of sha1, 6 digits, 30 sec period.
JBSWY3DPEHPK3PXP