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We have bidets at home. Not just the splash things but with an up-pointing faucet.
Toilet paper is used only as a means to dry off the affected area.
I find the thought of anything else horrible and very unhygienic. Obviously when there is no means to wash you just gotta do what you gotta do but even in many semi-civilised countries you'll find a flexible hose by the side of the pan. Often with a pedal bin for used paper but as it's mostly just damp that's no big deal.
We have bidets, but most of us don't want to spend all that time breaking up all the lumps and pushing them then the Bidet drain hole!