Piet Jonas

Countdown to the next blue moon and black moon events.Blue Moon: The second full moon event in the same month.Black Moon: The second full new event in …

Stay on top of the heap and have all relevant information for the moment in one view. Customize your ≣Heaptop info board by adding different widgets f …

Become a math champ and have fun training your mental math skills by finding matching pairs of math problems and its solutions. By playing this game y …

Find the distance and direction between any two places on earth (after upgrade).Features:- it calculates the shortest distance (on an orthodrome) or t …

Ease the pain of long journeys for your kids by counting cars with different colors. See which color wins or just count them indefinitely.免費玩Car Count …

Search the WWW quickly with different search engines and services. Features:- Keeps a history list of your searches- Orders the engines automatically …

Find the distance and direction between any two places on earth.Features:- it calculates the shortest distance (on an orthodrome) or the distance with …

Multi Task Timer monitors the completion of a group of task with a common deadline. This is the perfect app while doing e.g. multiple choice tests.Jus …

Search the WWW quickly with different search engines and services. Features:- Keeps a history list of your searches- Orders the engines automatically …

Multi Task Timer monitors the completion of a group of task with a common deadline. This is the perfect app while doing e.g. multiple choice tests. Ju …