`db.executeSql()` was documented as `db.executeSQL()` that caused error:
main.js:13 Error openening database TypeError: t.executeSQL is not a function
at file:///android_asset/www/build/main.js:13:11718
at t.invoke (file:///android_asset/www/build/polyfills.js:3:13422)
at Object.onInvoke (file:///android_asset/www/build/main.js:3:3341)
at t.invoke (file:///android_asset/www/build/polyfills.js:3:13373)
at e.run (file:///android_asset/www/build/polyfills.js:3:10809)
at file:///android_asset/www/build/polyfills.js:3:8911
at t.invokeTask (file:///android_asset/www/build/polyfills.js:3:14051)
at Object.onInvokeTask (file:///android_asset/www/build/main.js:3:3241)
at t.invokeTask (file:///android_asset/www/build/polyfills.js:3:13987)
at e.runTask (file:///android_asset/www/build/polyfills.js:3:11411)
The issue is fixed in this commit