Icosianapp is the Android implementation of Icosian game (finding the Hamiltonian Cycle in the given graph). Initial release of the game has 12 levels.
Start at any vertex, traverse through all the vertices and get back to where you started (form a cycle). Each vertex can be traversed only once.
Press on vertex and drag the green line to the connect the dots.
Use Menu -> Reset to reset the graph and start again.
The following sites were used as references for creating graphs:
Send in your suggestions and queries to icosianapp (at) gmail (dot) com.