Mobius features a tactics-focused, turn-based battle system, with players able to activate attacks by tapping enemies on screen. Many of the features in the game, such as the leveling system and exploration, are similar to those from previous home console Final Fantasy games. Along with standard navigation, the player can navigate the game world using a fast-travel system, progressively unlocked as the player progresses through the story. In some self-contained areas, the player can directly control the character. During local navigation on the field map, the player taps a location on a map and the character travels to that location. Players can customize settings, graphical quality, and adjust controls for their dominant hand.

The player controls the game's protagonist Warrior of Light (Wol) while navigating Palamecia. Mobius Final Fantasy is a role-playing game designed for mobile phones. The enemy's health and break meter are displayed above it. The battle system displaying the player character's health and energy, the ability icons, and Elements accumulating in the bar along the top of the screen. On January 15, 2020, Square Enix announced that the game's service would end on Main Japan and Jworldwide. In May 2019 ahead of the Japanese version's 4th anniversary Square Enix announced that the game had reached 20 million downloads worldwide. Mobius surpassed 10 million downloads in January 2017 with millions more since. It was also awarded for being the most beautiful game on the Google Play Store in 19 countries for 2016. It was awarded as one of the Apple App Store's best games of 2015 in Japan. The graphics and gameplay were praised by reviewers, although some called the overall combat experience 'simple'.

The English version also reached one million downloads within a week, with over three million in under a month. Square Enix cited Mobius Final Fantasy as one of the most successful mobile titles they released in 2015, having over three million downloads in Japan before the end of the year. The game registered over two million players within the first few weeks of release. Multiple staff from previous Final Fantasy titles were involved in development, including producer Yoshinori Kitase director Motomu Toriyama, project leader Naoki Hamaguchi, character designer Toshiyuki Itahana and composer Mitsuto Suzuki. While some assets were outsourced, most of the development was done internally by Square Enix's Business Division 1. This prompted skepticism from both in-house staff and external sources. The game, which began development in early 2014, was developed around the concept of a mobile game on a similar level to a home console game and 'a rich gaming experience, anytime, anywhere'. Common themes were also drawn from the original Final Fantasy title, such as 'warriors of light' and their fight against chaos and darkness. The game features gameplay elements from previous Final Fantasy titles, including leveling, exploration via standard navigation and fast-travel systems, and turn-based combat tied to a job system. The player controls Warrior of Light (Wol), a man who wakes with amnesia in the world of Palamecia, and must help conquer the dark forces attacking its people. It was released in Japan in June 2015, and released internationally in August 2016. On January 15, 2020, Square Enix announced that they would be ending the game's services on Main Japan and Jworldwide.Mobius Final Fantasy ( Japanese: гѓЎгѓ“г‚¦г‚№гѓ•г‚Ўг‚¤гѓЉгѓ«гѓ•г‚Ўгѓіг‚їг‚ёгѓј, Hepburn: Mebiusu Fainaru FantajД«) was an episodic role-playing video game developed and published by Square Enix for iOS, Android, and Microsoft Windows. It was released in Japan on Jand worldwide on August 3, 2016. 2016 Mobius Final Fantasy is an episodic role-playing video game developed and published by Square Enix for Android, iOS and Microsoft Windows.

Mobius final fantasy