How Do I Get New Hosts?

There are a number of ways to get host codes in the game, most of them you'll even while not really trying in the game. Among the basic ones that you'll initially learn to do to earn them are;

Game Progress - the game will have you reach a certain level of progress, and when you've successfully completed the requirements, it will usually reward you with a host code. For instance, after completing the tutorial phase of the game, you'll obtain the first 3-star host Teddy.

Interacting with guests - the main source of coins, experience and host codes are the guests themselves. Repeatedly performing or interacting with them will give you host codes -- especially the ones that are perfectly matched with a perfect simulation rating.

Perform Auto-tasks, Daily tasks, and Objectives - to get you focused on stuff to regularly do in the game, it sets you up with a couple of requirements that you have to fill in. When you successfully achieved its set of requirements, the game will reward you with either coins, Host Codes, or even gems.

Performing Interviews in Critical Analysis Room - when you go to the critical analysis room, there will be a series of questions for a sampled host -- which you can take part in and answer. When you complete the activity, it will reward you with random items, or basic Host Codes.

Using gems - gems in the game are the premium currency. You can use them in different ways including speeding things up, and purchasing host codes. Also, note that since gems are the premium currency, they are basically what the game sells in packages as IAPs.