\documentclass{article}
% xelatex uses change options to wrttofiles and !packagefiles, while your at it
% change pdfcreator=pdflatex to pdfcreator=xelatex
% See documentation of the tile-graphic package
\usepackage[!wrttofiles,packagefiles,pdfcreator=pdflatex]{tile-graphic}

\setTileParams{4}{4}{MyEmoji}

\begin{document}

\tileTheGraphic

\end{document}