The 1.21.0 update, released in late 2018, brought significant content to the mobile arena:
A major addition in 1.21 was the "Feats of Strength" system, allowing players to unlock customizable victory taunts, profile icons, and banners for Gold and Diamond tier characters. DL MORTAL KOMBAT X 1.21.0 Adreno APK for Android
This version introduced four key fighters, including Pretty Lady Leatherface , which arrived alongside the Horror Team Packs. The 1.21.0 update
Balance changes were implemented for several characters. For example, Freddy Krueger/Nightmare's Special 2 attack was adjusted so it could no longer knock out two opponents simultaneously. released in late 2018