So this is a board game port of a popular tile-laying game. Seems to be only on ios rather than google play.
It has a campaign mode an pass and play multiplayer.
Sadly not online
Cheapest its been as per Appshopper.
App description:
"Ted Alspach's castle-building board game comes alive on iOS! The winner of the prestigious 2015 Mensa Mind Games award tasks players with building extravagant castles for King Ludwig of Bavaria. Castles are constructed one room at a time, with a different player each round setting the prices for the others, resulting in a competitive, engaging game where building is as much fun as winning!
Choose your strategy carefully as you compete against your friends or AI (computer) opponents. Or take on the Campaign, and travel to 15 real-life castle sites, each with up to 3 unique Crown Goals, providing hours of fun and challenge.
• Two to Four Player Pass-and-Play/Computer Matches
• Campaign Mode with Levels based on Real Castle Sites
• Training Tower Levels teach Game Basics
• Help System with Illustrated Rules, Tips, and Tile Reference
• 75 Different Room Tiles
• Game Center Achievements
• Orchestral Soundtrack
• Share Your Castle on Twitter, Facebook, and more"
Also on Android: courtesy of Forgot69-
https://www.ozbargain.com.au/comment/4716198/redir
great game and fantastic price, thanks!