She helps ailing economy with new house
Singer makes her statement of intent in African newspaper
Her grandparents lived in the city hit by tremor<br />
Star flies out of African nation after being blocked from adopting second child
She hasn't been resident in the country for long enough, officials say
She says she is not 'skirting any legal issues' in adopting Mercy
The pop star attends court in Africa<br />
Pop star may face difficulties because of her new single status
Singer says she has plans to adopt a 'brother or sister' for David Banda
She will team up with Christian Audigier on project