It has rice in it, so is it a meal?
It is usually enjoyed as a sweet dessert. Mango is eaten together with sticky rice flavored with coconut milk. If you have it after a meal, it is fine to share it with your companion.
Khao Niao Mamuang · ข้าวเหนียวมะม่วง
If you feel like something sweet after a meal, try mango sticky rice. It is a Thai dessert in which sticky rice flavored with coconut milk is served beside ripe mango. When you take mango and sticky rice in one bite, the fruit's sweetness and the chewy texture come together. If you have finished a filling meal, share one plate with your companion.

The sweetness of mango is joined by the richness of coconut. Sticky rice is chewy, so you get a texture that is different from eating fruit alone. Taste the mango and the sticky rice separately, then put them together on one spoon.
It includes rice, but it is enjoyed as a sweet dessert.
In Thailand, sticky rice flavored with coconut milk is eaten as a dessert with various toppings. Mango sticky rice is the one that is served with ripe mango. It includes rice, but think of it as a sweet dessert rather than a meal eaten with savory dishes.
It is usually enjoyed as a sweet dessert. Mango is eaten together with sticky rice flavored with coconut milk. If you have it after a meal, it is fine to share it with your companion.
No. It depends on the variety, how ripe it is and the time of year you buy it. It is a dish where sticky rice and coconut sauce are added to the taste of mango, so try them together bite by bite.
If you want to read more about the food and the regions behind it, these sources are a good next step. Ingredients and cooking methods can differ from one place to the next.
Sharing image credit: Arthur Taksin · CC BY 4.0