Improve some free app icons

• 1010! Klooni
  • component="ComponentInfo{io.github.lonamiwebs.klooni/io.github.lonamiwebs.klooni.AndroidLauncher}"
• 2048
  • component="ComponentInfo{com.uberspot.a2048/com.uberspot.a2048.MainActivity}"
• 2050
  • component="ComponentInfo{org.mattvchandler.a2050/org.mattvchandler.a2050.MainActivity}"
• Candy Memory
  • component="ComponentInfo{se.tube42.kidsmem.android/se.tube42.kidsmem.android.MainActivity}"
• Pixel Wheels
  • component="ComponentInfo{com.agateau.tinywheels.android/com.agateau.pixelwheels.android.AndroidLauncher}"