I wouldn't bother if this is your only application.

You will simply confuse the driver.

All you really need is an address.

I haven't stayed up to date on the off-line options, most here just use GMaps on-line, but these have been mentioned in the past:

https://play.google.com/store/apps/d...soft.nostramap

https://play.google.com/store/apps/d....maps.thailand

https://play.google.com/store/apps/d...com.sygic.aura