Hi Toonlyrics, welcome here,
I assume you come from windows world, you can maybe choose a language by setting an environment variable :
(i do not have this OS, i’m not sure it’s work)
[code]
Windows
Easy way
Create a batch file in your synfig installation directory. Call it synfig.bat.
Add the lines (replace with your LANG setting)
@set LANG=en_EN
@start synfig.exe
Save and double-click to use it.
[/code] (from inkscape doc)
Note : about encapsulate : synfig terminology has change with 0.64.0 version
Switch : you already can do switch of poses also this video tuto by headtoon about lip sync . And a switch layers functionality is coming in the futur version (with a mountain of other improvement) : switch group