Nothing to download :P
1. Go to Settings -> Wi-Fi
2. Press "i" or ">>" symbol near Wi-Fi name (you must be connected to that network)
3. Scroll down to "HTTP Proxy"
4. Press "Manually" button and input:
Server: ioscheaters-com.noip.me
Port: 8888
5. Press back button and open up your game
6. Start updating building or build new one then finish it with gems.
7. After doing 6 step few times close game (even from multitasking)
8. Open up your game and enjoy free gems :o
9. !!!IMPORTANT!!! Please turn proxy to OFF after you played game
If you cant connect to game after adding proxy it means that proxy down, under update or changed server name coz posted anywhere else. Just visit that topic to see if it changed.