Below is a list of LDS mobile apps that your family may enjoy. They were created by members and are not sponsored by the Church. They are all available on public websites or App Store sites.
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FHE Planner - Create and manage highly customized agendas for family home evening. Keep a history of past agendas as well.
Gospel Study Challenge Pro - Drive gospel study efforts among a group of friends or family by issuing a challenge, tracking progress, and including an element of competition.
Gospel Treasures - A collection of gospel themed quiet games
Home Teaching - Way to store info/notes on families you home teach. From app, view message, contact families/companion, email report, view map of where families live.