The app can be downloaded from Apple app store or Google Play Android market.

After a quick signup using Email id or Facebook login, the player will be presented with three song options selected randomly from the library with three difficulty levels of play.

i) Easy:

In the easy mode, player A is assisted with the original song with vocals while humming , to get the tune right. The hum is submitted to player B with added background music, for easier playing experience.

Player A needs to place the phone speaker close to the ear or use hands-free to listen to the song while humming.

For a correct guess, both players get 1 coin each. No coins are awarded for a wrong guess.

ii) Medium:

In the medium mode, player A is assisted with background music while humming. The hum is submitted to the player B with added background music, for easier playing experience.

Player A needs to place the phone speaker close to the ear or use hands-free to listen to the song while humming.

iii) Hard:

In the hard mode, there will be no assistance to the players. No background music will be played while humming. Player B will not be able to listen to the song or background music while listening to the hum.

For a correct guess, both players get 3 coins each. No coins are awarded for a wrong guess.

For a correct guess, both players get 2 coins each. No coins are awarded for a wrong guess.

Swap songs:

In case the player A wants to swap the presented song options to a differetc set of songs, player A needs to spend 40 coins for new song options.

Hint:

While guessing, to get a hint about the song, player B can tap on "Hint". Each hint costs the player 40 coins.

Buy Coins:

Players can buy more coins from Settings -> Coins -> Buy more coins.

Invite Friends:

Players can invite friends on Facebook to join and play this game. Players need to sign in using their Facebook account to use this feature.