stuck with one country downloads

hello guys ,

need help from experts. one of my app is stuck with indian downloads. I really like Indian people downloading that. problem is even though 40% of traffic comes from india . & 4% of traffic comes from USA. on the revenue front. india got like 40% & USA 4% traffic generate like 43% .

so guys you know any marketing method optimized to USA /UK western countries.? I think it’ll be more profitable