At its annual developer conference Thursday, Roblox painted a picture of what’s next for the fast-growing online multiplayer portal that’s like catnip for kids and teens. In his keynote, Roblox ...

Armor of Henry II, King of France (reigned 1547–59) transforms into a wearable Roblox avatar via a free new app. A Roman warrior receiving a tribute of arms from two kneeling women adorns the breast, ...