During the Seniors Quest you build the bingo hall, this post explains how you use it. 
The bingo hall can be found on the mysterious island, it is a bit like the Competition Center, you cannot enter the bingo hall building but you send a sim there for 24 hours and they have a chance of winning S15,000!
To use the bingo hall:
1.Click on the bingo hall and a pop up will appear saying the prize is S15,000 if your sim wins, click select sim:

2.Only senior sims can play bingo, if they are busy the option will be greyed out, click on the sim you want to play bingo:

3.Your sim will be playing bingo for 24 hours, during this time they cannot do anything else and you cannot visit them:


4.Once the time is up you will need to go back to the bingo hall and it will tell you the results of the bingo contest:
You may lose:

but you could win:

Previously when I entered I never won but now it looks like they have increased the odds of winning!
Is it worth it? I rarely use the bingo hall, it is a good way to make a few extra simoleons but there is a chance you won’t win and it does mean your sim cannot do anything else for a whole day.
















The doll will run to the pipes on the machinery to the left of the screen- your sim will rush to a window. You need to get the doll to the window your sim is at, if it is going the wrong way you can tap on it to change the dolls direction (if you do it at home you don’t need to chase the dolls!)










































