Fastpasses are still free. If you want to use your phone to reserve them instead of walking to the attraction to get the paper fastpass then you have to typically pay the $10 fee to book them through the Disneyland app. One exception I found is if you have tickets to the Halloween Party and you're in the parks before the party starts you have access to the fastpasses on the app for free (it's included in the price of your Halloween Party Ticket).
Yes, they have fun rides. You can enjoy, children and adults. You can download the app on your phone, pay $10 and request fast passes.
Sorry no can ...
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