How to get unlimited money?
Step 1: Download and install this modded apk: CSR-Classics-v1.15.0-Mod-Unlimited-Money-Coins_lenov.ru.apk[25,44 Mb] 

Step 2:  Download the OBB file: click here

Step 3:  Extract it to /sdcard/Android/obb

Step 4: Download this file CSR-Classics-Data.zip [309,39 Kb] then extract it to 
sdcard/Android/data

Step 6: Play!