I recommend that you add a marker to each of your uploaded splashscreens to easily identify that the appropriate splashscreen is selected. It seems as the correct splashscreen was selected. What you may be experiencing is a screen resolution issue with the visible nature of the image on your particular android device.
Have you considered making your splashscreen 9-patch images?
We have a sample app that ships with the tool (called 9-patch-splash-screen) you can try and check out this article: https://software.intel.com/en-us/xdk/articles/android-splash-screens-using-nine-patch-png