Back from your hunt? Good, now it's time to plan your next move.
One good one is to sit and take your time to build your next weapon, with React Native.

Or maybe you might want to check the current existing solutions.

rn-pokevision on GitHub

React Native app leveraging the Pokévision API in order to display all the Pokémon around you.

Currently only supports iOS.

pokemon-map on GitHub

React Native based application to locate Pokemons around you

Built by The Bakery, with Baker, we'll probably focus on this tool soon.