These are interactive growing aliens that you keep alive and perform check ups with online.

Dissolve cocoon to bring your Test Tube Alien to life.  Feed it carefully as it grows into an adult alien.  Discover what it needs by monitoring its heartbeat.  Keep alive with just the right amount of food and light.  Web interactive!  Verify your alien's age, set special modes, get secret codes, check health status and much more! 

Tatsuni: The healer and the oldest of all the aliens… They say he has existed for all of time. He remained loyal until the end. Located Earth as a suitable haven. Solved the mystery of alien regression.