Thank you again @Adrian_Rockall.
I managed to install the Smartthings app but unfortunately I found 2 issues:
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An aeotec energy meter doesn’t appear in the list of devices available.
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A smartthings motion sensor (GP-U999SJVLBEA, movement + temperature sensor) only shows in Homey the temperature. The motion status is not shown. Same thing with a sonoff SNZB-03 motion sensor which works well in Smartthings. Seems as motion item is not handled properly.
All the rest of the devices work well.