SxClient is mod for Toolbox designed for enchance players' gaming experience.
In Apk Editor select Toolbox APK, click on Full edit
, then go to assets/legacy/<earlier version than yours>/mods/lua_mods/toolbox_menu/
and replace all folders with SxClient's folders.
Finally, click build, and then install it and start it.
MCMrARM - He created Toolbox