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It’s not about softness, it’s about the fibers that make the tissue. Tissues and wipes not made intended for glass have rough fibers than can scratch glass. You’re better off using microfiber or disposable glass cleaning wipes. If you’re concerned about microfiber cloths getting dirty, most have care instructions on their tags, and it’s usually hand washing and drying.
Ayaneo made the Flip DS but besides being expensive apparently the battery life is a bit wanting- but at least these kinds of products are starting to be made!
https://www.xda-developers.com/ayaneo-flip-ds-review/