OpenTTD - An open-source clone of the classic game ...
Harvest Moon - Harvest Moon is a Farming Simulation with Role-playing and Single-player elements.
SimCity BuildIt - Build, craft, and control! SimCity BuildIt is an all-new SimCity game designed just for mobile.
Stardew Valley - Stardew Valley is a 2D Awesome, Action, Role-playing, Crafting, Top-down, Building, Sandbox and Single-player video game create by ConcernedApe and published by Chucklefish.
Cities: Skylines - Cities: Skylines is a Construction and Management, City Building, and Single-player Simulation developed by Colossal Order and published by Paradox Interactive.
My Time At Portia - RPG crafting and building simulation set in a lightly-themed post-apocalyptic world