The update was a major release from Tomorrow Corporation that introduced the Ho Ho Holiday DLC and added support for six new languages: Japanese, Korean, Russian, Simplified Chinese, Traditional Chinese, and Ukrainian.
To download the latest version or a hotfix, you should use the official platform where you purchased the game: Download Little Inferno v1.3.Hotfix
The Steam version automatically updates to the most recent build (currently v2.0 or higher depending on the platform). The update was a major release from Tomorrow
Updates are managed through Google Play or the App Store. Version 1.2 and above included performance improvements and reduced battery usage. Download Little Inferno v1.3.Hotfix