HEX Cheat For Android
Use any hex editor apps that are available for android and change the value of HEX Dword to any amount you want.
Coins HEX 29 51 ec f7 Dword
If the codes doesn't work, it is possible that your android version is not compatible with the code above.
To do it manually, just get atleast 1000+ Coins and use search function in your hex editor app, enter your current Coins value and search for it (choose DWORD) .
If you see a small list of results, example 10. Just edit the value of them one by one until you can find the real HEX!
If you see a large list of results, you need to change the value of current Coins by either consuming them or adding them. Go back to the list and find your new current Coins value to the large list and finally you can edit the value.
Tips and Tricks
If you go wider you'll have more room to place blocks.
Be very careful when putting blocks down you might knock others over.
Be quick when zapping badly placed blocks, or you'll remove the wrong one.