There are currently 21 play buttons in game. These play buttons will boost your subscribers.
The play buttons are like regular upgrades, except that they don't have to be placed in your apartments to work.
There is 1 extra play button (Tester)
Play Button list:
100K - +20% Subscribers Boost
1M - +40% Subscribers Boost
10M - +60% Subscribers Boost
100M - +80% Subscribers Boost
500M - +100% Subscribers Boost
1B - +120% Subscribers Boost
5B - +130% Subscribers Boost
10B - +140% Subscribers Boost
100B - +200% Subscribers Boost
1T - +500% Subscribers Boost
10T - +700% Subscribers Boost
100T - +1000% Subscribers Boost
1Qa - +1500% Subscribers Boost
10Qa - +2000% Subscribers Boost
100Qa - +3500% Subscribers Boost
1Qi - +5000% Subscribers Boost
10Qi - +10000% Subscribers Boost
100Qi - +15000% Subscribers Boost
1Sx - +25000% Subscribers Boost
10Sx - +45000% Subscribers Boost
100Sx - +125000% Subscribers Boost
1Sp - +150000% Subscribers Boost
5Sp - +250000% Subscribers Boost
10Sp- +500000% Subscribers Boost
25Sp - +800000% Subscribers Boost
50Sp - +1250000% Subscribers Boost