app/views/devise/confirmations/new.mobile.erb
<div data-role="page" class="devise-confirmation-new">
<header data-role="header">
<h1>Resend confirmation instructions</h1>
</header>
<div data-role="content">
<%= form_for(resource, :as => resource_name, :url => confirmation_path(resource_name), :html => { :method => :post }) do |f| %>
<%= devise_error_messages! %>
<p>
<%= f.label :email %><br/>
<%= f.text_field :email %>
</p>
<p>
<%= f.submit "Resend confirmation instructions" %>
</p>
<% end %>
<%= render :partial => "devise/shared/links" %>
</div>
</div>