i Smart Navi Thailand is a free Android navigation app developed by Tri Petch Isuzu Sales Co.Ltd. It is a useful tool for Isuzu owners who want to navigate through the city while also searching for Isuzu dealerships.

This app allows you to search for Isuzu dealerships' addresses and phone numbers for free, and it also offers navigation functions that can be activated by inputting a license key issued by an Isuzu dealer. The app can be used on your smartphone and can also be linked to the touch panel of the in-vehicle device for ease of use.

Overall, i Smart Navi Thailand is a convenient app for Isuzu owners who want to navigate through the city while also having access to Isuzu dealership information. However, it is important to note that this app is only useful for Isuzu owners and may not be suitable for individuals who do not own an Isuzu vehicle.