A free app for Android, by Ben Garrett.

‘The Eighth Continent’ is an interactive novel in which you are the story’s hero!

In a world devastated by a cataclysmic super-eruption, you must search for your lost family.  Who should you trust?  What dangers await you in the volcanic wasteland?

In this story, you play the role of the main character, an adventurer named Jack.  As you explore the world and get into various situations, you will have to make choices about how to deal with various characters and situations.

If you like the story, you can also explore the world and get various items.  If you want to, you can also find a love interest.  And if you want to, you can also fight with monsters.