Revolutionary changes in Pokémon games through the ages, in no particular order:
- Physical-Special move division
- The various EV training facilitators
- Wireless communications and Internet connection
- Hypertraining
- HM Emancipation
- Quick-use Repel
- Move Tutors
- Type effectiveness indicators
- Mega Evolution and Z Energy
- Trainer customization
What is yet to come:
- Skippable tutorials
- Circumstantial auto-save