[Wildfire]

Not sure why people are obsessed over it, I think it needs improvements.

For instance, it would be best if you could see other travelers/trainers while traveling...

This is fine for less populated areas, but areas like central park which is a clusterfuck of pokemon will lag your game if you had to see all the pokemon AND the hordes of trainers there.

Not exactly, after the Osu! meetup me and a few others went to central park, they took the opportunity to hang out until 11PM hunting and their phones seemed just fine.