This theme features basic functionality for optimizing page layouts (for example for a handout).
\begin{block}{Switch and Setup Render Mode}
\scriptsize
\verb+\documentclass[handout]{beamer}+\\
\verb+\mode<handout>{+\\
\verb+\pgfpagesuselayout{4 on 1}[a4paper,landscape,border shrink=5mm]}+
\verb+\mode<handout>{%+\\
\verb+ \fzjset{pageslayout=2 on 1}}+
\end{block}
The options to \verb+pages layout+ are directly passed to \verb+\pgfpagesuselayout{OPT}[a4paper,border shrink=5mm]+ and borders for the slides are enabled. Fore more options, call \verb+\pgfpagesuselayout+ explicitly:
\begin{block}{Define Number of Pages per Sheet}
\scriptsize
\verb+\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]+