info:
Dear friends!
iGO Motrex from the first post, after last update WORKS!
my device! mobile phone ( UMIDIGI Z Pro )
just fill iGO content folder with map.poi building. and start working Tested!
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For users that not work, try with folder named iGO
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tested Android v7.1.1
screen gif
Spoiler: screen

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Thanks to Arimi