\documentclass{article}
\usepackage{fontspec}
\usepackage{polyglossia}
\ExplSyntaxOn
\keys_define:nn {fontspec-preparse} {
  Renderer .choice_code:n = {
    \fontspec_update_fontid:n {+rend:\l_keys_choice_tl}
    \int_compare:nTF {\l_keys_choice_int <= 3} {
      \tl_set:Nv \l_fontspec_renderer_tl
        { g_fontspec_renderer_tag_ \l_keys_choice_tl }
    }{
      \fontspec_warning:nx {only-luatex-feature} {Renderer=Full/Basic}
    }
  }
  ,
  Renderer .generate_choices:n = {AAT,ICU,Graphite,Full,Basic}
}
\ExplSyntaxOff
\setmainlanguage{javanese}
\XeTeXlinebreaklocale "jv"
\begin{document}
\fontspec[Renderer=Graphite]{Tuladha Jejeg}
\raggedright
\noindent ꧋ ꦲꦢꦼꦒ꧀ꦒꦶꦁ​ꦩꦱ꧀ꦗꦶꦢ꧀ꦱꦭꦶꦏꦶꦤ꧀​ꦪꦱꦤ꧀ꦤꦶꦥꦸꦤ꧀ꦫꦢꦺꦤ꧀ꦔꦤ꧀ꦠꦺꦤ꧀ꦡꦸꦩꦼꦁꦒꦸꦁ​ꦦꦿꦮꦶꦫꦢꦶꦂꦗ꧈ ꦭꦗꦼꦁ​ꦏꦮꦏꦥ꧀ꦥꦏꦼꦤ꧀ꦏꦁꦒꦺ​ꦥꦂꦭꦸꦤꦶꦁ​ꦆꦱ꧀ꦭꦩ꧀ꦭꦤ꧀ꦩꦸꦱ꧀ꦭꦶꦩꦶꦤ꧀ꦲꦶꦁ​ꦱꦭꦩꦶꦭꦩꦶꦤꦶꦥꦸꦤ꧀​ꦥꦩ꧀ꦧꦶꦏꦏ꧀ꦏꦶꦥꦸꦤ꧀ꦲꦶꦁ​ꦢꦶꦤ꧀ꦠꦼꦤ꧀ꦏꦼꦩꦶꦱ꧀ꦏꦭꦶꦮꦺꦴꦤ꧀ꦠꦁꦒꦭ꧀ꦏꦥꦶꦁ꧇ ꧑꧖꧇ ꦮꦸꦭꦤ꧀ꦗꦸꦩꦢꦶꦭꦮꦭ꧀ꦠꦲꦸꦤ꧀ꦗꦶꦩ꧀ꦩꦮꦭ꧀ ꧑꧘꧘꧕꧇ ꦲꦸꦠꦮꦶ​ꦯꦸꦂꦪ​ꦏꦥꦶꦁ꧇ 21 ꦮꦸꦭꦤ꧀ꦗꦤꦸꦮꦫꦶ 1954 ꦢꦺꦤ꧀ꦤꦶꦁ​ꦫꦢꦺꦤ꧀ꦔꦤ꧀ꦠꦺꦤ꧀ꦡꦸꦩꦼꦁꦒꦸꦁ​ꦦꦿꦮꦶꦫꦢꦶꦂꦗ꧉
\end{document}