Have you been paying your taxes to the mother colony? If not, then you have an immigration embargo and you won't get more colonists until you catch up on your taxes.
Ape Apps, LLC is an independent software development company founded in 2010 by Brandon Stecklein. Over the years, Ape Apps has published over 400 apps and games across various platforms. You can get in touch with Brandon on Twitter or by leaving a post on his wall @bastecklein