That recipe is quite unusual in mainland France. These type of fruit-filled, cream-filled uncooked desserts involving biscuits are often called "charlotte" in French, so you could call that "charlotte à la mangue". Another option is to name it "feuilleté à la mangue", to refer to the layers of the cake.
You should must put some mango into some soda and the mango floats
A mango is 'une mangue' (fem.) in French.
A mango is 'une mangue' (fem.) in French.
(La) mangue -- "the mango (fruit)" -- and (le) manguier -- "the mango (tree)" -- are French equivalents of the English word "mango." The respective pronunciations will be "(la) mawng" and "(luh) maw-gyey" in French.
un fruit exotique (commonest term), un fruit tropical
In French, "mango" is masculine, so it is "le mangue."
maybe or maybe not
Mango is called "mangue" in French, "mango" in Spanish, "mangga" in Indonesian and Malay, and "आम" (aam) in Hindi. In Italian, it’s referred to as "mango," while in Japanese, it is called "マンゴー" (mangō). Each language has its unique pronunciation and spelling, but the word often bears a resemblance to the English term.
Float, pronounced flo-at.
avocado : un avocat (masc.) mango : une mangue (fem.) avocado:seins
The term for the scientific explanation of how things float is "buoyancy."
French mango juice