Maybe it would help if we checked out figures of speech?
Anthropopatheia or Condescension - figure used when attributing human characteristics to God. All these figures of Anthropopatheia are also figures of Metonomy by which one thing is put for another.
"Finger of God" - a finger is attributed to God to denote the putting forth of His formative power, and the direct and immediate act of God.
Exodus 8:18b,9 so there were lice upon man, and upon beast. Then the magicians said unto Pharoah, This is the finger of God: and Pharoah's heart was heardened, and he hearkened not unto them; as the LORD had said.
Exodus 31:18b two tables of testimony, tables of stone, written with the finger of God.
Psalm 8:3 When I consider thy heavens, the work of thy fingers, the moon and the stars, which thou hast ordained;
When speaking of seeing "God's face" - it signifies God's presence and God's favour.
God is Spirit and therefore doesn't actually have hands, fingers, a face, etc. He is given human attributes and passions (anger, jealousy, heart, etc.) so that we can understand His essence and will.
Information from Figures of Speech in the Bible by E.W. Bullinger.