Development for the Firefox OS version of LINE began during the second half of 2013, and the app was officially released in February of the following year. LINE for Firefox OS is currently used in 19 countries around the world, and ranks high in the apps with the most number of downloads in the Firefox Marketplace. This unique version of the LINE app has also received favorable reviews from users, and it is the only app in the Popular Top 7 to maintain a consistent four-star rating.
The Firefox OS version of LINE may be receiving rave reviews, but the creation process for the app was no bed of roses. This article goes into detail on how LINE for Firefox OS was born and engineered, as well as a scene look into the blood, sweat, and tears that went into improving the app’s performance.