it is absolutely safe to charge a device with a charger that has more current capacity than needed.Ohm's law tells us the relation between current, voltage, and resistance:I=V/R(current =voltage/ resistance)Since the voltage is held constant ...
Both device are awesome; galaxy A32 is a normal use based device with good camera + casual gaming & better experience for average user. Basically it meet all of our basic needs. For more than that like gaming & more efficiency go for galaxy A52