It has rice in it. Is it eaten as a meal?
It is usually enjoyed as a sweet dessert. Mango is eaten together with sticky rice flavoured with coconut milk. If you have it after a meal, you can share it with your companion.
Khao Niao Mamuang · ข้าวเหนียวมะม่วง
If you want something sweet after a meal, try mango sticky rice. It is a Thai dessert in which sticky rice flavoured with coconut milk is served next to ripe mango. Eat mango and sticky rice together in one bite and the fruit's sweetness blends with the chewy texture. If you have finished a full meal, share a plate with your companion.

The sweetness of mango is joined by the richness of coconut. The sticky rice is chewy, so the texture differs from eating the fruit alone. Taste the mango and the sticky rice separately, and next time take them together in one spoonful.
It contains rice, but it is a dish enjoyed as a sweet dessert.
In Thailand, sticky rice flavoured with coconut milk is eaten as a dessert with various toppings. Mango sticky rice is the version served with ripe mango. It contains rice, but think of it as a sweet dessert rather than a meal eaten with side dishes.
It is usually enjoyed as a sweet dessert. Mango is eaten together with sticky rice flavoured with coconut milk. If you have it after a meal, you can share it with your companion.
No. It depends on the variety, how ripe it is and when it is sold. The dish is the mango's flavour with sticky rice and coconut sauce added, so try them together bite by bite.
If you want to read more about these dishes and regions, these sources are a good place to start. Ingredients and cooking methods can differ from one eatery to another.
Sharing image credit: Arthur Taksin · CC BY 4.0