Have you tried installing stock firmware again? On my Libra 2, Beta Features has the web browser, large print mode, sketch pad, and my words (which I had to enable manually). The games are not supposed to be there, so it sounds like you installed the patches to turn them on at some point, in which case you can get rid of them by simply returning to unpatched firmware.
I don't recall anybody ever saying that the games are visible by default on the Elipsa, so that's my best guess.
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