Boosters gone

FongLee

All my boosters disappeared. I didn't do any updates, or change my mobile  device. 

sevgikAv

Same issue with my phone too. 2 or 3 days ago all my boosters gone. I had more than 90 boosters from each, and now all of them 0
!!! 

pajarito

on two occasions I also lost my accelerators; but as my daughters also play I thought they had used them but now that I am not the only one with that situation I am sure that they disappeared. how and why. only programmers know.