Bosses and legendaries have 4 telegraphed attacks, close in or fight from range and get enraged at half health. 12 new moves and 8 new ways to attack: boomerang, chain, mines, meteors, turret, dash, trail and spray. Fewer but tougher enemies, mid-run events (single-type hordes, golden hour, lost Pokémon), Meowth running away loaded with coins, Water types swim at full speed and the leaderboard has anti-cheat.
You can now play on phones and tablets with a touch joystick, in English and Spanish, and install it as an app. New settings screen with automatic graphics quality, and fewer but stronger enemies on screen.
Daily and weekly missions, 127 achievements with medals and titles, a public profile, held items, move evolutions and enemies that heal, shield, summon or explode.
Rifts leading to 18 legendary arenas, one per type; weather that changes the fight; a type chart and a slot-machine gacha with tickets.
Online co-op for up to 4 with your friends list, plus daily, weekly, monthly, yearly and all-time leaderboards.