Demo of "DeckView" for Android, see Video at: http://www.youtube.com/watch?v=sv74m0Mcmms

DeckView Demo (Deckster.java)

package org.yaaic.deckster;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Display;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Gallery;
import android.widget.Toast;
import android.widget.ViewSwitcher;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.TableLayout.LayoutParams;
import android.widget.TextView;

public class Deckster extends Activity implements OnItemClickListener {
	private Gallery gallery;
	private ViewSwitcher switcher;
	private DecksterAdapter adapter;
	private View childView = null;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        Display d = getWindowManager().getDefaultDisplay();
        int width = d.getWidth();
        int height = d.getHeight(); 
    
        adapter = new DecksterAdapter(width, height);
        
        gallery = (Gallery) findViewById(R.id.gallery);
        gallery.setAdapter(adapter);
        //gallery.setOnClickListener(this);
        gallery.setOnItemClickListener(this);
        
        switcher = (ViewSwitcher) findViewById(R.id.switcher);
    }

	public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
		Log.d("Deckster", "Selected item: " + arg2);
		//Toast.makeText(this, "Selected: " + arg2, Toast.LENGTH_SHORT).show();
		childView = adapter.getView(arg2, null, gallery);
		childView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
		switcher.addView(childView);
		switcher.showNext();
	}
	
	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event)
	{
		if (keyCode == KeyEvent.KEYCODE_BACK) {
			onBackPressed();
			return true;
		}
		return false;
	}
	
	public void onBackPressed()
	{
		if (childView != null) {
			switcher.showNext();
			switcher.removeView(childView);
			switcher.showNext();
			childView = null;
			Log.d("Deckster", "Back pressed");
		} else {
			Log.d("Deckster", "Back pressed -> FINISH");
			finish();
		}
	}
}

DeckView Demo (DecksterAdapter.java)

package org.yaaic.deckster;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.TextView;

public class DecksterAdapter extends BaseAdapter
{
	private int width;
	private int height;
	
	public DecksterAdapter(int width, int height)
	{
		this.width = width;
		this.height = height;
		
		Log.d("foo", width + "x" + height);
	}
	
	public int getCount()
	{
		return 7;
	}

	public Object getItem(int position)
	{
		return position;
	}

	public long getItemId(int position)
	{
		return position;
	}

	private int[] colors = {
		0xfffce94f,
		0xfffcaf3e,
		0xffe9b96e,
		0xff8ae234,
		0xff729fcf,
		0xffad7fa8,
		0xffef2929,
	};
	
	public View getView(int position, View convertView, ViewGroup parent)
	{
		LayoutInflater inflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		View v = inflater.inflate(R.layout.view, null);

		float fw = (float) width;
		float fh = (float) height;
		
		float vwf = fw / 100 * 80;
		float vhf = fh / 100 * 80;
		
		int w = (int) vwf;
		int h = (int) vhf;
		
		TextView tv = (TextView) v.findViewById(R.id.foo);
		tv.setTextColor(0xff000000);
		tv.setText("T" + position);
		tv.setBackgroundColor(colors[position]);
		
		v.setLayoutParams(new Gallery.LayoutParams(w, h));

		return v;
	}
	
}

An enhanced version of this DeckView is part of Yaaic: http://github.com/pocmo/Yaaic