Got some keys for the game. Feel free to grab a key if you're interested. 
I added some exclamation marks in the middle of the codes to prevent bots from snatching them. Just remove them and activate the code in Google Play Store.
J94!!!KH588ELX!!!J6JNDXZEM!!BUP
WH!!!!1JPVX0K3MH!!LRJW0FEY!!9DT
EUM!!MK88S!SJEZGWDD2RCH!!4GK
EDT4!!!!KBAX72!!!!ZKKH714L2!!NBMU
L1J!!!!LPDWKA8!!!!JXVMA85HS!!3F6X
H!SZ7DW83G!!UEALHWJBSU!!!!UPE9