ray-lee/info-before-iap-purchase: Help text display on apps (ex: write-on)

Ray Lee 205bbbf210 add v2 & multi-language support		%!s(int64=6) %!d(string=hai) anos
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app-content.html	205bbbf210 add v2 & multi-language support	%!s(int64=6) %!d(string=hai) anos