One recent finding suggests that yes, male Ralts and Kirlia do provide Mega Energy for both Mega Gardevoir and Mega Gallade, making them versatile companions for walking. Walking with a male ...

It will offer four Sinnoh Stones (which are needed for evolving a male Ralts to Gallade) and an encounter with Ralts. A Continued Timed Research will also be available. Niantic writes ...

As expected with a Community Day event, Ralts will spawn in huge numbers with a high chance for it to appear shiny. There are also several other bonuses and perks, which we’ve listed out below.