WE have build many Aps and can help u finisg and resolve this issue
We have Developed Websites and Mobile Application with best Quality and cost effective in timely manner, you can view some demo Websites here
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We also develop Android and IOS mobile apps
In WordPress, there are many variables to do Custom Changes and development which we have been doing for many of our esteemed clients.
I’m glad to answer any questions you may have!
Thank you for your time,
Emma