What is the best method for shiny hunting alpha froakie in Legends Z-A?

Question

I want that big black greninja

Comments

I haven’t played Z-A myself yet, but it seems fly spam is easy as well as the “run back and forth” method. I’ve been watching tons of videos since it came out. I’ll put a couple here: https://youtube.com/shorts/FfkfQzFjmk0
https://youtu.be/xejMdBNzZ7E

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froakie is in wild area 16, I'm pretty sure by flying to 5 it reaches froakie and a few other mons in 16 and 5, I would recommend a turbo controller or a macro if you wanna afk it maybe(I THINK you can afk idk tho)