Nope, its still working.
Do all these steps from #1 and then:
Step 8: after the update turn airplane mode/wifi off
Step 9: open the Game, you should have your hacked Coins/Gems
Step 10: turn airplane mode/wifi on, ingame!
Step 11: after a few seconds Hill Climb 2 asked, if u wanna take ur local or ur cloud savegame
Step 12: choose ur local and enjoy
Importent: u probably need to delete more Keychain rows. Scroll down the genp file and looking for the word HillClimbRacing2 in agrp. Everytime u read something like that, write down the rowid. After that, type in Filza: delete from genp where rowid='XXX'
replace the XXX with a rowid. If u are done, restart ur device and start at Step 1 #1
tested and working on v.1.1.8