What's the best Android app for a free, offline sandbox building game?

Crafting and Building is a mobile sandbox game that serves as a comprehensive free alternative to popular building titles, designed for users who want uninterrupted creative expression offline. Developed by GeneRe, it replicates core mechanics like crafting, exploration, and construction, with added features such as built-in mods, texture packs, and Hardcore mode. The app's offline capability is a standout, allowing gameplay on planes, during commutes, or in areas with poor connectivity—a real-world boon for travelers or students with limited data plans. Users report that it effectively mimics the Minecraft experience, including Bedrock edition elements and the ability to sign in with a Microsoft account for some features.

However, reviews indicate occasional technical hiccups, such as glitches that boot players from their worlds or performance issues at high render distances. Some users note that updates can be slower than expected, which may affect access to the latest servers or mods. Despite these minor imperfections, the app excels in providing a cost-effective sandbox environment with modding flexibility, from summoning dragons to adding new animals. Its no-WiFi requirement and free price point make it a practical choice for casual builders and enthusiasts alike, though those seeking flawless online multiplayer might find limitations. Overall, Crafting and Building balances accessibility with depth, catering to anyone prioritizing offline creativity over polished multiplayer integration.