I tried downloading the app from the website, and it didn't seem to want to work either.... :c
Error
Couldn't Start:
"C:\Users\Connor\AppData\Local\Packages\Microsoft.MicrosoftEdge.8wekyb3d8bbwe\TempState\Downloads\my-little-blacksmith-shop-win\MyLittleBlacksmithShop_Win64_Alpha_02\WindowsNoEditor\Engine\Binaries\Win64\UE4Game-Win64-Shipping.exe" ..\..\..\ShopSim\ShopSim.uproject CreateProcess() returned 5
Do you have a 64bit system? if not, then this is probably the problem. Grab the 32 bit version. Link is on My Little Blacksmith Shop page.