This theme is ready for localization via .po/.mo files. For more informations about translating WordPress themes, see more at: http://codex.wordpress.org/Translating_WordPress.
Quick start guide for changing the language of Handdrawn-lite
Check your wp-config.php file, the language of this file must match to your translation;
Into the folder languages of the theme, find the file handdrawn.pot, duplicate and rename it (example: fr_FR.po for Franch, en_EN.po for English).
Download POEdit and open your file with this software.
Translate your file. In File click on Preferences and select Automatically generate mo, then save your file.
Finally, send your new .mo and .po via FTP to your server, in the folder “languages” of the theme