As there is no hardware for it, you cannot enable it via software. Also, the closest emulation is long pressing but no (or almost none) launchers/ ROMs will implement it because it's definitely going to be unstable and buggy.
LINK TO VIDEO REVIEW: https://www.youtube.com/watch?v=Ni_e8bZzL6E
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Disclaimer : I received this case for free in exchange for an honest, unbiased review. This means that if I bought it myself I would have wrote ...