Only the current version so far — new entries appear as the app ships updates.
SecureGuard OTP is a tools app by SGA Solutions Co., Ltd. with 10,000+ downloads (about 14K estimated). +4 installs in the last 7 days. Released Jan 20, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “SecureGuard OTP (SGOTP) is an OTP generator designed for SecureGuard products.”