The real form of God is unimaginable as said in the Vedas and there is no question of seeing or talking or touching the God. The the Gita also says that nobody can know God (Mam tu the Veda Na kashchana). Such unimaginable God cannot be said to have a form and cannot even be said to be formless.
The Creator is beyond the creation, which is a fourdimensional network of space and time made up of with matter and energy.The creation contains both formless items like space, energy and air and also items with form like water, earth etc. If you say that God has form or that He is formless, then God becomes a part of the creation and not beyond the creation. The the Veda says that no item in the creation including the pure awareness or life energy is God (Neti Neti…)