Revert "Fragmentの文字化け削除"

This reverts commit 8b6e4bee18be66c3e34e6f5d50982fe35c65aee2.
Revert "どこでも次のFragmentに移動できるようになった"

This reverts commit 3bebbaa53e2b976037470fb67b260b8b87159e56.
Revert "GL3移行中(バグあり)"

This reverts commit 91c929e1dd7e7b55ea764c3141384e46d45b8410.
Revert "GLES20をGLES30に置き換え"

This reverts commit 44e4837a51e9809331961610b74a4b3bd7f51549.