 If you liked
Takarakuji de 40-oku Atattanda kedo Isekai ni Ijuusuru
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 ...then you might like
Risou no Himo Seikatsu
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Average guy from Japan (they also have similar appearances) end up traveling to another world and have the chance to introduce Earth's technology/items to the isekai. Both are very similar in that the MC ends up in charge of development of the country that he ends up being originally transported to.