Используйте приложение APKPure
Историческую версию Clash Gems Calculator and Base можно получить на Android
Приложение Gems калькулятор для Clash игрока клана.
Calculate the Gems that you need to buy gold, elixir, dark elixir. Sometimes we need to reduce the time require to complete resource build time so you can calculate gems required to reduce time too. Also you can create strong Clash of clan base for your opponents