The bus stop is very important. At the bus stop you can go to 5 different locations.
Town, to do quests, see: http://pakkapets.wikia.com/wiki/Town
Cave, to mine for stuff, see: http://pakkapets.wikia.com/wiki/Cave
Movie Theater, to earn food or hearts, see: http://pakkapets.wikia.com/wiki/Movie_Theater
Orchard, to grow fruit, see: http://pakkapets.wikia.com/wiki/Orchard
Hive, to harvest honey, see: http://pakkapets.wikia.com/wiki/Hive