I would have to say its Zen Pinball THD. You get one table free and the other tables are about $2.68 or thereabouts.
A great time waster.
https://market.android.com/details?id=com.zenstudios.ZenPinball&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS56ZW5zdHVkaW9zLlplblBpbmJhbGwiXQ..