But you cannot decide manually the route, only if you do it yourself in a cli command, with route hints and be sure that those peers have enough liquidity. Those mobile apps cannot do that. I am totally right when I said that user cannot control the route.
You the user aren't deciding that. But your wallet software is deciding that, at the source. And you can control that decision, eg with the max fee limit settings available in most wallets.
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Even if you have the option to put a max fee, that will not guarantee that the payment will go through. Will just fail with error "no route".
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