Eh? OTP encryption requires that the sender and receiver both have extremely lengthy keys - at least as long as all messages that will ever be sent by both parties combined - in advance. And then both parties have to keep perfect track of how many bits of the key have been used already. Should an encrypted message be lost in transit or otherwise overlooked, the whole thing will go out of synch, messages will no longer be decryptable by either party, and only transferring a bunch of new key data can remedy the situation. That is why OTP is almost never used in practical crypto applications.
As for adding two layers of steganography over it - one of which is based on 16th century technology - geez. There have been scores of research papers done on stego, and many apps have been written. None of them are perfect, but some are pretty good, and they can be used by relatively untrained people. Much progress has been made since 1610.
tldr; the OP's suggestions are unworkable.
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