Tentative

Tentative means  not certain or fixed; provisional. done without confidence; hesitant.
Prevalent means widespread in a particular area or at a particular time.
Portable means able to be easily carried or moved, especially because being of a lighter and smaller version than usual.
Wry means using or expressing dry, especially mocking, humour.
Provisional means providing or serving for the time being only; existing only until permanently or properly replaced; temporary