Concentration 1.73

Changed the online server connection destination from IP address to host name.

The target sdk is changed to 31.
The min sdk is changed to 19.
The Bluetooth permissions are changed.
The Online Mode is fixed.

The title is changed to Concentration

The randomizer is improved.
ACCESS_COARSE_LOCATION permission is changed to ACCESS_FINE_LOCATION permission.(for Bluetooth scanning)
The online checker is removed.

Admob GDPR is supported.
Ads module is updated.
Min sdk version is changed from 9 to 14.

version 1.65
The problem of the first dealer option is fixed.
version 1.62
An interstitial ad is showed when the new game button is pressed.
version 1.61
The behavior of AI is changed.
The default value of AI level is changed from 3 to 5.
Custom item is added to Opponents button.
AI Level option is added to Network Settings.
The rematch dialog is shown when an online game ends.
The save checkbox is added to the password input dialog of the private online mode.

version 1.64
The face images are added.
version 1.62
An interstitial ad is showed when the new game button is pressed.
version 1.61
The behavior of AI is changed.
The default value of AI level is changed from 3 to 5.
Custom item is added to Opponents button.
AI Level option is added to Network Settings.
The rematch dialog is shown when an online game ends.
The save checkbox is added to the password input dialog of the private online mode.

version 1.63
The previous face image is added to Card Face option.
version 1.62
An interstitial ad is showed when the new game button is pressed.
version 1.61
The behavior of AI is changed.
The default value of AI level is changed from 3 to 5.
Custom item is added to Opponents button.
AI Level option is added to Network Settings.
The rematch dialog is shown when an online game ends.
The save checkbox is added to the password input dialog of the private online mode.

version 1.59
The port of the online server is changed.
The display option is added.
The full screen option is added.
The images are modified.
The copyright of the images is changed from fotolia to Adobe Stock.
version 1.58
The player number dialog is added.
version 1.57
The theme option is added in the system settings.
version 1.56
The theme is changed.
The problem of the screen orientation is fixed.

version 1.58
The player number dialog is added.
version 1.57
The theme option is added in the system settings.
version 1.56
The theme is changed.
The problem of the screen orientation is fixed.
version 1.55
Fixed the bug that the layout collapses on some devices after displaying interstitial ads.
version 1.54
Multi Dex is enabled.
version 1.53
The protocol of the online feature is changed.
version 1.52
ACCESS_COARSE_LOCATION permission check dialog is added to Bluetooth scan button.

version 1.55
Fixed the bug that the layout collapses on some devices after displaying interstitial ads.
version 1.54
Multi Dex is enabled.
version 1.53
The protocol of the online feature is changed.
version 1.52
ACCESS_COARSE_LOCATION permission check dialog is added to Bluetooth scan button.
version 1.50
Frame rate option is added.
Japanese is supported.
version 1.49
Fixed the bug that the summary is not displayed when a device is rotated on the preference screen.

version 1.53
The protocol of the online feature is changed.
version 1.52
ACCESS_COARSE_LOCATION permission check dialog is added to Bluetooth scan button.
version 1.51
The number of level is changed from 9 to 12.
version 1.50
Frame rate option is added.
Japanese is supported.
version 1.49
Fixed the bug that the summary is not displayed when a device is rotated on the preference screen.
version 1.48
Bug fixes.
version 1.47
The ads module is updated.

version 1.52
ACCESS_COARSE_LOCATION permission check dialog is added to Bluetooth scan button.
version 1.51
The number of level is changed from 9 to 12.
version 1.50
Frame rate option is added.
AppLovin module is removed.
Japanese is supported.
version 1.49
Fixed the bug that the summary is not displayed when a device is rotated on the preference screen.
AppLovin module is added.
version 1.48
Bug fixes.
version 1.47
The ads module is updated.

version 1.51
The number of level is changed from 9 to 12.
version 1.50
Frame rate option is added.
[Options] -> [System Settings] -> [Animation] -> [Frame Rate]
AppLovin module is removed.
Japanese is supported.
version 1.49
Fixed the bug that the summary is not displayed when a device is rotated on the preference screen.
AppLovin module is added.
version 1.48
Bug fixes.
version 1.47
The ads module is updated.

version 1.49
Fixed the bug that the summary is not displayed when a device is rotated on the preference screen.
AppLovin module is added.
version 1.48
Bug fixes.
version 1.47
The ads module is updated.
version 1.44, 1.45, 1.46
Bug fixes.
version 1.43
The online notification feature is added.
version 1.42
The targetSdkVersion is changed from 14 to 26.
The icon is changed.
The problem of the replay mode is fixed.

version 1.48
Bug fixes.
version 1.47
The ads module is updated.
version 1.44, 1.45, 1.46
Bug fixes.
version 1.43
The online notification feature is added.
version 1.42
The targetSdkVersion is changed from 14 to 26.
The icon is changed.
The problem of the replay mode is fixed.
version 1.41
The rule button is added.
The problem of the online feature is fixed.
The position of the direction arrow is changed.
version 1.40
The banner ads is changed to the smart banner ads.

version 1.47
The ads module is updated.
version 1.44, 1.45, 1.46
Bug fixes.
version 1.43
The online notification feature is added.
version 1.42
The targetSdkVersion is changed from 14 to 26.
The icon is changed.
The problem of the replay mode is fixed.
version 1.41
The rule button is added.
The problem of the online feature is fixed.
The position of the direction arrow is changed.
version 1.40
The banner ads is changed to the smart banner ads.

version 1.44, 1.45, 1.46
Bug fixes.
version 1.43
The online notification feature is added.
version 1.42
The targetSdkVersion is changed from 14 to 26.
The icon is changed.
The problem of the replay mode is fixed.
version 1.41
The rule button is added.
The problem of the online feature is fixed.
The position of the direction arrow is changed.
version 1.40
The banner ads is changed to the smart banner ads.

version 1.42
The targetSdkVersion is changed from 14 to 26.
The icon is changed.
The problem of the replay mode is fixed.
version 1.41
The rule button is added.
The problem of the online feature is fixed.
The position of the direction arrow is changed.
version 1.40
The banner ads is changed to the smart banner ads.
version 1.39
The sound volume of advertising is changed.
The advertising sound is muted if the sound effect option is disabled.

version 1.41The rule button is added.The problem of the online feature is fixed.The position of the direction arrow is changed.version 1.40The banner ads is changed to the smart banner ads.version 1.39The sound volume of advertising is changed.The advertising sound is muted if the sound effect option is disabled.version 1.38The problem of the multiplayer feature is fixed.version 1.37The problem of interstitial advertising is fixed.

version 1.40The banner ads is changed to the smart banner ads.version 1.39The sound volume of advertising is changed.The advertising sound is muted if the sound effect option is disabled.version 1.38The problem of the multiplayer feature is fixed.version 1.37The problem of interstitial advertising is fixed.

version 1.39The sound volume of advertising is changed.The advertising sound is muted if the sound effect option is disabled.version 1.38The problem of the multiplayer feature is fixed.version 1.37The problem of interstitial advertising is fixed.

version 1.36The online button is added.The screen size option is added.The targetSdkVersion is changed from 9 to 14.The menu button is added.The background images are changed.The color of the status bar is changed.The sound volume control of advertising is changed.version 1.35The text size of the status bar is modified.version 1.34When Out of Memory error occurs, the background image is removed at a restart.

version 1.35The text size of the status bar is modified.version 1.34When Out of Memory error occurs, the background image is removed at a restart.version 1.33The Status Bar option is added.The window size adjustment program is changed.version 1.32The online feature is added.The Wi-Fi Direct feature is removed.The images are added and modified.The Human item is changed to the Offline item.version 1.31Bug fixesversion 1.30The code regarding SurfaceView is modified.

version 1.32The online feature is added.The Wi-Fi Direct feature is removed.The images are added and modified.The Human item is changed to the Offline item.version 1.31Bug fixesversion 1.30The code regarding SurfaceView is modified.version 1.29The default value of the background image is changed.

version 1.31Bug fixesversion 1.30The code regarding SurfaceView is modified.version 1.29The default value of the background image is changed.

version 1.30The code regarding SurfaceView is modified.version 1.29The default value of the background image is changed.

The default value of the background image is changed.

1.27Bug fixes.1.26Dealer and Non-dealer of the multiplayer dialog are changed to Server and Client.The problem of saving data is fixed.The problem of the Wi-Fi Direct dialog is fixed.