It is possible to set other than 10 seconds value for rewind and offset options. The maximum value that you can set is 90 (seconds).
Code snippet
player.nuevo({ rewindforward: 30 })
Since version 10 of the Nuevo plugin and Nuevo skins, on touch devices Rewind and Forward buttons are presented as big icons centered on the screen instead of small buttons in the control bar. The user may hide these buttons in Nuevo plugin configuration: