I am a female who can easily lift and lighten and brighten my tone to express the energetic and upbeat manner that would make for an excellent voice over to aid in promoting your game app.
Relevant Skills and Experience
Naturally a middle and common range speaking voice for a female. Ability to alter it to high and thin to low and gruff in and with singing, speaking, screeching, growling, and so on in various ways.
Stay tuned, I'm is still working on this proposal.