Dolphin only works in 64-bit devices (aka ARMv8/AArch64) and Galaxy S5 is a 32-bit device. In other words, your phone is not compatible and there's nothing you can do apart from getting another (compatible) phone/tablet...
Avell A70 MOB: Core i7-11800H, GeForce RTX 3060, 16 GB DDR4-3200, Windows 11 (Insider Preview)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
