Astracraft for Android
Technology-related game world resembles the faraway future. The action takes place in the futuristic megacities, space stations and other similar places. For battles you need to use robots with many upgrades available for them.
Craft can be done directly on the battle field. There are several game modes for one player as well as for game with other players online or against them. You will be given loots for killed enemies or mobs and it can be used in craft.