BLOOD AND GLORY LEGENDS 'HACK"

This save game hack requires no jailbreak, it gives you 
-999999000 Coins
-999999000 Rubies
Start at the beginning of the game after the tutorials.
1 - Install the game
2 - Download the zip file   here 
3 - Extract it, Use a file browser of your choice (iFile, DiskAid, iFunBox...) & Put the file "savegame.bin" to your device :
/(B&G - Legend Installed Directory)/Documents/
my choice of a file explorer is "Iexplorer"