You help the decide the main twist!
Options:

MVP; The viewers vote for the player who is playing the best game. That player is the MVP. The MVP would nominate a 3rd houseguest for Eviction.

BB App Store; one houseguest will be given a power and one houseguest will receive a punishment.

Vote Saver; It allowed houseguests to abstain from voting at an eviction of their choice, in order to save that vote for a future eviction, where they could use it alongside a regular eviction vote, casting two votes for that round.