Currently, on UK forum we got this far:
So, condensing:
Level area / activity
8 able to shoot films
10 missile slot unlocked
10 Santa Roco opens
15 you can find the ballots on missions
15 Colourful Diversity opens
20 6 new inventory slots
25 Sewing machine
25 Misty's Atelier
30 Los Vengeles opens
40 DickStarter
40 6 new inventory slots
40 Storage tabs open
50 Washing machine
65 Outfit manager
70 Industrial Area opens
110 The Port opens
150 Beach opens
200 Beverly Humps opens
250 Shangri-La opens
300 Camp 69 opens
Party Stage Fans Needed
BURNING BERNIES Part 1 50K
BURNING BERNIES Part 2 500K
BURNING BERNIES Part 3 1M
FLAMING WHEELS Part 1 400K
FLAMING WHEELS Part 2 800K
FLAMING WHEELS Part 3 1.6M
WHIPLASH Part 1 1.2M
WHIPLASH Part 2 2.4M
WHIPLASH Part 3 4.8M
...But in growth format:
Fans Party Stage
50K BURNING BERNIES, Part 1
400K FLAMING WHEELS, Part 1
500K BURNING BERNIES, Part 2
800K FLAMING WHEELS, Part 2
1M BURNING BERNIES, Part 3
1.2M WHIPLASH, Part 1
1.6M FLAMING WHEELS, Part 3
2.4M WHIPLASH, Part 2
4.8M WHIPLASH, Part 3
Any additions?